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Journal articles on the topic 'Agricultural pollution'
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1
Wang, Dianshuang. "Manufacturing and agricultural pollution, private mitigation and wage inequality in the presence of pollution externalities." Agricultural Economics (Zemědělská ekonomika) 65, No. 2 (February 27, 2019): 51–58. http://dx.doi.org/10.17221/79/2018-agricecon.
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The paper incorporates manufacturing and agricultural pollution into a three-sector general equilibrium model with pollution externalities both on agricultural production and labour health. Manufacturing generates pollution that affects agricultural production and health, while agriculture employs the pollutant as a factor for production that only affects health. Under the framework, this paper investigates the impacts of environmental protection policies and a rise in the self-mitigation cost of skilled and unskilled labour on wage inequality. A larger environmental tax expands wage gap if partial elasticity of substitution between labour and dirty input in the urban unskilled sector is small enough. More restrictive agricultural pollutants control narrows down the wage gap. The impact of an increase in the self-mitigation cost of skilled labour on wage inequality is ambiguous, depending on the factors substitution in agriculture and the elasticity of manufacturing pollution on agricultural production, while a larger self-mitigation cost of unskilled labour brings down the wage gap.
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Chen, Weiwei. "Research on the Prevention Methods of Agricultural Non-point Source Pollution based on Food-security." Frontiers in Sustainable Development 2, no. 11 (November 21, 2022): 8–12. http://dx.doi.org/10.54691/fsd.v2i11.2931.
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Agricultural resources and environment suffer from exogenous pollution and endogenous pollution, and the sustainable development of agriculture encounters a bottleneck. And we need to pay enough attention to agricultural non-point source pollution that is widely distributed and affects large geographic areas. Agricultural non-point source pollution leads to increasing soil and water pollution and agricultural products quality and safety risks. Previous researches have focused on the environmental impact of point source and industrial pollution. However, that is insufficient attention to the importance of agricultural non-point source pollution. It is necessary to explore the balance between food safety, food security and the prevention and control of agricultural non-point source pollution. This paper presents the sources, pathways, pollutants and prevention methods of agricultural non-point source pollution, which have guiding significance for the protection of the agricultural environment and the sustainable development of agriculture.
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Chen, You-hua, Xiao-wei Wen, Bo Wang, and Pu-yan Nie. "Agricultural pollution and regulation: How to subsidize agriculture?" Journal of Cleaner Production 164 (October 2017): 258–64. http://dx.doi.org/10.1016/j.jclepro.2017.06.216.
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An, Tan. "Research on Agricultural Pollution Problems and Prevention Measures in Guangxi Wuxuan County." Public Administration Research 11, no. 2 (May 14, 2022): 1. http://dx.doi.org/10.5539/par.v11n2p1.
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With the continuous advancement of agricultural modernization and rural revitalization, the problem of agricultural pollution has become increasingly prominent. Strengthening the control of agricultural pollution to make agriculture sustainable development, affects the development and destiny of a country's agriculture. By investigating the actual situation of agricultural pollution in Wuxuan County, Guangxi, the main problems of local agricultural pollution are put forward, in view of the existing problems, countermeasures and suggestions are put forward, such as improving the protection awareness of practitioners, improving infrastructure construction, accelerating agricultural transformation and upgrading, and strengthening top-level design.
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PІSHСHЕNKО, Oleg. "ECOLOGICAL AND ECONOMIC SECURITY OF THE AGRICULTURAL SECTOR." Herald of Khmelnytskyi National University. Economic sciences 314, no. 1 (March 30, 2023): 39–46. http://dx.doi.org/10.31891/2307-5740-2023-314-1-5.
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The article examines the ecological and economic security of the agricultural sector. Achieving global food security and food security requires a global approach to food systems. It was found that there is a significant relationship between agriculture and the environment. Sustainable agricultural development ensures food quality and, in tandem, prevents natural disasters such as droughts. However, to meet the food needs of a growing population, poor quality laws and unacceptable agricultural practices arise, which in turn leads to environmental degradation. To meet the food needs of the world’s population, the agricultural sector has been subjected to huge loads and created emissions. Sustainable agriculture helps increase food production while reducing the use of pesticides. It has also been observed that agricultural production sometimes accumulates carbon, thus polluting the environment. It has been shown that there is a significant link between economic growth and environmental pollution. On the other hand, pollution reduction and environmental balance are not sufficiently prioritized in developing and underdeveloped countries
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Agrawal, G. D. "Diffuse agricultural water pollution in India." Water Science and Technology 39, no. 3 (February 1, 1999): 33–47. http://dx.doi.org/10.2166/wst.1999.0131.
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Concern over agricultural diffuse pollution sources in integrated water quality management has been growing recently. Such sources are likely to be even more critical in developing countries, including India, where agriculture and rural habitats are still dominant, unlike the G7 or other affluent industrialised nations. A number of special features of the Indian scene need to be considered. These include: (i) extremely varying rainfall and stream-flow patterns; (ii) still largely traditional agricultural practices with average application of fertilizers and pesticides and significant areas under dry farming or only marginal irrigation; (iii) a very large cattle population, with agriculture almost always linked with animal husbandry; (iv) a culture of living close to the river (if not in the river) with dominating instream uses of bathing, washing, cattle wading, waste disposal, etc. and large-scale floodplain farming; and (v) scant respect for rules, regulations and laws alongside an extremely weak law-enforcement machinery. The paper shows that in the non-monsoon (non-flood) periods, which may account for all but 2 months of a year, agricultural diffuse pollution sources seem to have no impact on stream water quality. During these periods flows are low to minimal and pollution is dominated by the in-stream uses, sullage waters of rural communities and point discharges from urban/industrial sources, if any. Pollution due to agricultural return waters, either as wash-off or as seepage, appears to be rare during the 8-10 fair weather months. However, surface wash-off of pollutants from agricultural sources becomes the dominant factor during flood flows, and seepage/drainage from agricultural fields/soils continues to pollute streams for a month or two after the monsoons are over. Application of chemical fertilizers and pesticides (or any other agricultural chemicals) in India is still low compared to developed countries, and while eutrophication due to high levels of washed-off nutrients is observed in rural ponds and other stagnant bodies of water receiving agricultural drainage, and excessive pesticide residuals are often reported for vegetables, fodder, milk, etc., monitoring of streams and rivers does not show any significant pollution due to nutrients or pesticides from agricultural diffuse pollution during fair weather months. High nitrate concentrations have been reported in groundwater and in many areas, such as Punjab and Haryana, these can often be linked directly to diffuse agricultural sources. The major problem of agricultural diffuse pollution appears to be the heavy silt loads, along with large quantities of dissolved salts, nutrients, organics and even heavy metals and bacterial contaminants washed off during floods. The silt tends to clog up the flow channel to further encourage seasonal floodplain agriculture. This results in a vicious circle, which degrades the channel, increases flood-damage and is undesirable from ecological and sustainability points of view. High concentrations of salts and nutrients encourage growth of weeds and macrophytes after the floods have passed. The presence of organics, heavy metals and bacterial contamination renders the streamwater unfit for in-stream use or abstraction. With the introduction of intensive agriculture and adoption of modern farming techniques involving the application of much irrigation water and agricultural chemicals, the problems caused by diffuse agricultural pollution are bound to grow. Routine pollution control methods of discharge permits (or consent letters), EIAs or environmental audits, and normal enforcement measures by regulatory agencies are not likely to work for control of such pollution. Using the example of a small river in central India, Paisuni (Mandakini), the paper brings out the nature of the problems, and suggests a possible management approach.
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Xiang, Long, Zhong Bo Yu, Li Chen, Jia Ji He, Cheng Chen, and Xiao Lei Fu. "Evaluating the Characteristics of Hydraulic Driven Non-Point Source Pollution Loss in Agricultural Watershed." Applied Mechanics and Materials 212-213 (October 2012): 518–24. http://dx.doi.org/10.4028/www.scientific.net/amm.212-213.518.
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Non-point source (NPS) pollution is one of the major pollution sources in agricultural watershed, and the NPS pollution is the governing factor for polluting surface water. In this paper, series of hydrologic response units were set in various land-use plots to observe the runoff yields and NPS pollution yields from 2008 to 2010. The rainfall and fertilization were recorded in various types of land-use. Based on the long-term observation data, the characteristics of flow yield and critical precipitation intensities for generating runoff were quantified, and the hydraulic driven NPS pollutions (TN, TP) were analyzed temporally and spatially. The results show the flow yield is positive to total amount and intensity of precipitation and hillslope, but negative to vegetation canopy and Tillage intensity. Based on surface hydraulic conditions, the NPS pollution yield on various lands are calculated statistically. The seasonal fluctuations of NPS pollution yield rates are strongly related to flow production and human artificial fertilization. This work will enhance the understanding of NPS loss in agricultural watersheds.
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Ahmed, Nihal, Zeeshan Hamid, Farhan Mahboob, Khalil Ur Rehman, Muhammad Sibt e. Ali, Piotr Senkus, Aneta Wysokińska-Senkus, Paweł Siemiński, and Adam Skrzypek. "Causal Linkage among Agricultural Insurance, Air Pollution, and Agricultural Green Total Factor Productivity in United States: Pairwise Granger Causality Approach." Agriculture 12, no. 9 (August 26, 2022): 1320. http://dx.doi.org/10.3390/agriculture12091320.
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Agricultural insurance and green agriculture are strongly related. Agricultural insurance not only motivates farmers to adopt environmentally friendly production technology and enhances the effectiveness of production, but it also accomplishes the goal of lowering the number of chemicals that are put into the environment. This article investigates the dynamic relationship between agricultural insurance, air pollution, and agricultural green total factor productivity. To complete the aim, the authors used the panel auto-regressive distributed lags method (PMG method) and panel data from 50 states of the United States between 2005 and 2019. The empirical findings demonstrate a considerable co-integration and a cross-sectional reliance between agricultural insurance, air pollution, and agricultural green total factor production. Expanding agricultural insurance may boost agricultural green whole factor output but also exacerbate air pollution. However, significant air pollution does not increase agricultural production’s green total factor productivity. The panel Granger causality test shows a one-way causal relationship between agricultural insurance, green total factor productivity, and air pollution. A one-way causal relationship exists between air pollution and agricultural green total factor productivity. The author concluded that improving agricultural insurance coverage or cutting down on air pollution will boost agricultural green total factor output. These findings have long-term policy and management repercussions, particularly for those involved in agriculture policy and environmental management.
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Tian, Jilin, and Yinong Liu. "Spatial Interaction Effect of Nonpoint Source Pollution and Economic Growth on Agriculture Using Kuznets Curve and Grey Correlation Analysis." Mobile Information Systems 2022 (May 31, 2022): 1–10. http://dx.doi.org/10.1155/2022/6815016.
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This study used the environmental Kuznets curve to assess the link between regional growth in the economy and several types of agricultural nonpoint source pollution. To protect the environment in China, prevention of nonpoint source pollution and agricultural control are essential. In agriculture, nonpoint source pollution is mostly produced by improper usage of agricultural production components such as chemical fertilizers and plastic films. This paper aims to investigate the interacting effects of agricultural nonpoint source pollution and the economics of agricultural growth space to achieve synchronized growth of environmental atmosphere and agricultural economy. To evaluate agricultural nonpoint source pollution completely, the production coefficient technique and the equal standard pollution load approach are utilized. The Kuznets curve is used to verify the interaction impact between agricultural nonpoint sources and each person’s agricultural gross production value. Grey correlation analysis was utilized for further verification to increase the efficacy of verification of interaction effect between the two parameters. Experiments show that the proposed method has a good fitting effect and is easily implementable. It serves as an effective resource for future agricultural research and encourages the green development of agriculture.
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Gunningham, Neil, and Darren Sinclair. "Regulating Intensive Agricultural Pollution." Australasian Journal of Environmental Management 12, no. 4 (January 2005): 221–31. http://dx.doi.org/10.1080/14486563.2005.10648653.
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Harizanova-Bartos, H. "AGRICULTURAL IMPACT ON ENVIRONMENTAL POLLUTION ON DISTRICT LEVEL." Trakia Journal of Sciences 17, Suppl.1 (2019): 445–50. http://dx.doi.org/10.15547/tjs.2019.s.01.072.
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With the introduction of new farming techniques and methods, the agrarian sector should be transformed into economically and environmentally friendly way. The Bulgarian districts are 28 and most of them are rural that contribute to the Bulgarian economy with GDP from agricultural products. The main aim of the study is to reveal the connection between the agrarian indicators GDP from agriculture and utilized agricultural area and their impact on the level of environmental pollution. The set up tasks are as follows: 1) Literature findings of the connection between agriculture and environmental pollution; 2) Methodology based on correlation, regression and Data Envelopment Analysis (DEA) of the impact on GDP from agriculture and environmental pollution; 3) Main findings, recommendations and conclusions. The results are part of scientific project DN 15/8 2017 “Sustainable multifunctional rural areas: reconsidering agricultural models and systems with increased demands and limited resources”, funded by the Bulgarian science fund.
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Novotny, Vladimir. "Diffuse pollution from agriculture - a worldwide outlook." Water Science and Technology 39, no. 3 (February 1, 1999): 1–13. http://dx.doi.org/10.2166/wst.1999.0124.
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Until the 1950s most farming was carried out on smaller family farms that used organic fertilizers and essentially their waste production was easily assimilated by soils and receiving water bodies. The period post 1950 has seen a worldwide shift to larger monocultural, intensively operated farm units. The farm yields have increased dramatically, however, to sustain the increasing yields and productivity farms are using large quantities of chemical fertilizers and pesticides. At the same time, deforestation has occurred on a large scale since the 1950s and the deforested land has been converted to agricultural (mostly in developing countries) and urban (both developed and undeveloped countries) land uses. Also, a massive shift of population from rural areas to the cities has occurred in developing countries since the 1950s. Surface and groundwater quality degradation due to agricultural practices and conversion of land to agriculture can be categorized as follows: a) degradation due to land use conversion from native lands to agriculture; b) increased erosion and soil loss due to agricultural practices; c) chemical pollution by fertilizers and pesticides; and d) pollution from animal operations. Abatement of agricultural diffuse sources of pollution can and must be conducted in the context of moving toward sustainable agriculture. Some trends toward sustainable agriculture are already emerging in the US and Europe.
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Qiu, Mu Qing, Xiao Bo Yao, and Li Yang. "Study on the Effect of Rice-Frog System on Controlling Agricultural Non-Point Source Pollution." Advanced Materials Research 468-471 (February 2012): 2637–40. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.2637.
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China's agricultural production in the course of a wide range of point source pollution, large and difficult to control. Symbiotic system rice-frog as a good traditional agricultural production, with outstanding ecological, economic and other values, has been identified as globally important agricultural heritage and the first to be protected. Summary of agricultural non-point source pollution in the status quo to explain the symbiotic system rice-frog to reduce agricultural nonpoint source pollution in the role, made on the basis of frog in rice paddy planting to optimize the structure, development of ecological agriculture is the agricultural non-point source pollution prevention and control an effective way.
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Wu, Zhong Wei, and Xi Wu Lu. "Industrialization of Pollution-Purifying Agriculture to Control Non-Point Source Pollution in Poyang Lake Area." Applied Mechanics and Materials 522-524 (February 2014): 690–94. http://dx.doi.org/10.4028/www.scientific.net/amm.522-524.690.
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Poyang Lake is under the potential threaten from water eutrophication. The implementation of pollution-purifying agricultural industrialization in the Poyang Lake area is an important strategy for controlling the non-point source pollution and achieving economic transformation in the area. In this article, the characteristics of pollution-purifying agriculture and the advantages for its industrialization in the Poyang Lake is discussed. The suitable patterns for the implementation of purifying-agricultural industrialization in Poyang Lake are also proposed.
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Toerien, D. F. "Pollution of water supplies." Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie 5, no. 1 (March 17, 1986): 22–27. http://dx.doi.org/10.4102/satnt.v5i1.972.
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Water is used in agriculture for irrigation as well as for drinking water for man and beast. The pollution of water with salts, plant nutrients, organic material, pathogens and parasites, as well as toxic components, decreases its value for agricultural purposes. The rapid development of and the population growth in South Africa will increase water pollution, and agriculture will thus be influenced. Agriculture will also have to intensify in the future to meet the expected increased demand for food; the role of agriculture as a water polluter will thus also increase. South African agriculturists and water managers will have to meet unique challenges in the next decade. However, there are also unique opportunities to utilise.
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Baudišová, D. "Microbial pollution of water from agriculture." Plant, Soil and Environment 55, No. 10 (October 21, 2009): 429–35. http://dx.doi.org/10.17221/131/2009-pse.
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Microbial contamination of small streams in agricultural areas was monitored for two years. Microbiological indicators of faecal pollution (faecal coliforms, <I>Escherichia coli</I> and intestinal enterococci were detected by standard methods based on the cultivation of bacteria on selective media). The obtained results showed that running contamination of streams from agricultural areas was not extremely high, but it showed marked seasonal fluctuations (the average values and maximal values revealed great differences). Microbial contamination also increased several times in relation to high precipitation. The water quality in three (and/or four) localities exceeded the acceptable counts of faecal coliforms and enterococci given by the Czech legislation (40 CFU/ml for faecal coliforms and 20 CFU/ ml for enterococci). In agriculturally polluted streams, there were detected more enterococci than faecal coliforms, and also some less frequent species related to farm animals (<I>Streptococcus equines</I> and <I>S. bovis</I>) or plant rests (<I>E. mundtii, E. gallinarum, E. casseliflavus</I>) were present. <I>E. faecalis</I> and <I>E. faecium</I> strains (these are the most common species related to human faecal pollution) were less frequent there.
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Åge Vestøl, Jon, and Henning Høie. "Sustainable agriculture: Assessments of agricultural pollution in the SIMJAR model." Statistical Journal of the United Nations Economic Commission for Europe 6, no. 3 (December 1, 1989): 255–67. http://dx.doi.org/10.3233/sju-1989-6305.
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Tonmanee, N., and N. Kanchanakool. "Agricultural diffuse pollution in Thailand." Water Science and Technology 39, no. 3 (February 1, 1999): 61–66. http://dx.doi.org/10.2166/wst.1999.0137.
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Over the past two decades there have been a number of changes in Thailand, changes in the environment and quality of life for its people, changes in its communities and in the foundations of its economy. Before 1970, Thailand was a rural society in which local communities depended on the natural resources which surrounded them, and the national economy relied on the export of native crops. The sustainable use of resources was a fundamental aspect of rural life, people understood the interrelationships between the different components of their local environment and their activities which were defined by the need to protect their surrounding resources. Agriculture is the major profession and source of income for the rural poor. Land degradation and soil depletion result in low crop yields and pollution of the environment; soil erosion and landslides are found in Thailand. Nutrient uptake by crops and loss by leaching is much greater than the nutrients applied. Hence soils become less productive and it results in more land requirement for food production. Forest land declines rapidly in hilly watershed areas. Thailand is located in a tropical region and European countries are located in a temperate region. The climate is completely different, the temperature during summer in some European countries is probably almost the same as winter in Thailand. Not only is the climate in the two regions different, but land use and soil type are different also. These parameters have to be considered when studying the impact of agricultural diffuse pollution on the environment. Research studies on agricultural diffuse pollution in water resources in Thailand show that nutrient loads and pesticide residues still do not exceed the standard level. However, there was a trend showing the increase of N-NO3 in water resources, in short-term monitoring of nutrients in the east of Thailand between 1988-1990 and 1993-1995. The result showed the increase of N-NO3 from 1.60 ppm to 2.54 ppm in the same watershed and landuse areas. If the use of fertilizers and pesticides in agriculture is increased without due consideration, Thailand will face the same problem as European countries.
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Clark, Don P., and Alejandro E. Dellachiesa. "Industrial and Agricultural Pollution Patterns." Global Economy Journal 13, no. 1 (April 2013): 1–24. http://dx.doi.org/10.1515/gej-2012-0006.
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Industrial and agricultural pollution emissions are compared with levels of economic activity as countries move up the per capita income scale. Pollution emissions are found to be concentrated among the lower income countries. Industrial CH4 and both agricultural CH4 and N2O emissions display the highest degrees of concentration among poorer countries relative to their GDP shares. Agricultural CH4 and N2O emissions are more concentrated among the poorer countries than are industrial CH4 and N2O emissions. Little improvement in environmental quality will result from implementing costly emissions reductions in the industrial nations alone. Environmental policies must focus on lower- and middle-income countries. More attention must be devoted to reducing agricultural pollution emissions. Improving the economic activity–environmental tradeoff will require a global approach to reducing greenhouse gases.
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Guo, Li, and Weiwei Chen. "Atmospheric Pollution of Agriculture-Dominated Cities." Atmosphere 13, no. 6 (June 2, 2022): 900. http://dx.doi.org/10.3390/atmos13060900.
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With rapid development of modern agriculture, a multitude and a large amount of air pollutants were generated by agricultural activities, which are becoming more and more serious issues with regards to air pollution [...]
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Chen, Yanling, Weiwei Fu, and Jingyun Wang. "Evaluation and Influencing Factors of China’s Agricultural Productivity from the Perspective of Environmental Constraints." Sustainability 14, no. 5 (February 28, 2022): 2807. http://dx.doi.org/10.3390/su14052807.
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Based on provincial panel data for the past 15 years in China, the SBM-ML index method was used to measure agricultural productivity under the environmental-constraint perspective with agricultural surface source pollution as the non-desired output. A dynamic panel regression model was used to empirically analyze the factors influencing agricultural productivity to provide a reference for formulating policies to alleviate the conflict between economic development and environmental pollution. The results show that the green total factor productivity of Chinese agriculture exhibits a slow, incremental trend year by year. The growth of green total factor productivity in agriculture mainly comes from the increase in the rate of green technological progress. In terms of geographical disparity, the eastern, central, and western regions show a high-to-low gradient of agricultural green total factor productivity. Agricultural green total factor productivity showed a significant positive spatial correlation in some years. As for the influencing factors, foreign trade in agricultural products is conducive to enhancing green total factor productivity in agriculture, whereas foreign direct investment in agriculture and agricultural technology input inhibit the growth of green total factor productivity in agriculture. This research also found a significant U-shaped relationship between environmental management inputs and green total factor productivity in agriculture. Accordingly, suggestions are provided to optimize the international trade structure of agricultural products, selectively introduce high-quality green foreign investment projects, drive the efficiency of R&D investment through digital technology, and increase investment in special funds for agricultural pollution control.
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Hatfield, J. L. "Sustainable Agriculture: Impacts on Nonpoint Pollution." Water Science and Technology 28, no. 3-5 (August 1, 1993): 415–24. http://dx.doi.org/10.2166/wst.1993.0444.
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Current agricultural practices are thought to contribute to nonpoint source pollution because of large inputs of pesticides and fertilizers and intensive cultivation and crop production. Trends towards sustainable practices which involve crop rotations, alternative weed and pest control measures, use of manure as fertilizers, and crop residues can lead to improved resource management. Sustainable agricultural systems should be viewed not as a reversion to past systems but as adoption of systems which promote efficient resource management and improved efficiency in the use of natural resources. Many of the aspects currently considered to be sustainable agricultural practices will lead to decreased nonpoint source pollution on both the field and landscape scale. There are large changes in the physical, chemical, and biological factors which promote these reductions. The net result of adoption of these practices will be improved environmental quality; however, to realize this benefit will require both educational efforts and improved decision making tools to aid in the management decisions required in agriculture.
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Cao, Li, and Jiaqi Gao. "The Impact of Green Finance on Agricultural Pollution and Carbon Reduction: The Case of China." Sustainability 16, no. 14 (July 9, 2024): 5832. http://dx.doi.org/10.3390/su16145832.
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Based on the double-carbon target, the agricultural sector has implemented the concept of being green and synergistically promoted pollution and carbon reduction. Positioned as a novel financial paradigm, green finance places greater emphasis on environmental stewardship compared to its traditional counterparts. This focus enhances resource allocation efficiency, thereby achieving the goal of reducing pollution and carbon emissions. To research the influence of green finance on agricultural pollution and carbon reduction, this study leverages panel data spanning 2011 to 2021 from 31 provinces, autonomous regions, and municipalities across China. It employs the fixed-effect model and mediating-effect model. The findings reveal that: (1) Green finance exerts a notable influence on reducing both pollution and carbon emissions in agriculture, with the latter showing a more pronounced effect. (2) Regional disparities exist in green finance, affecting agricultural pollution and carbon reduction. (3) By fostering technological innovation and optimizing industrial frameworks, green finance emerges as a catalyst for curbing surface pollution and carbon dioxide emissions in agriculture. On this basis, relevant suggestions are put forward to provide policy insights for improving the green financial system, which will help further promote carbon and pollution reduction.
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Archer, J. "Avoiding pollution from poultry manure." World's Poultry Science Journal 49, no. 2 (July 1993): 167–70. http://dx.doi.org/10.1079/wps19930014.
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In the UK the poultry industry has a good record with regard to surface water contamination and has been responsible for only a small proportion of the total pollution incidents attributable to agriculture. Guidance is provided to farmers by a Code of Good Agricultural Practice for the Protection of Water. Because poultry manures have high concentrations of total nitrogen, with much of this in soluble form, the pollution of ground water with nitrates is a more serious problem. A voluntary Pilot Nitrate Scheme has been introduced in some parts of the UK which controls the quantities of animal waste applied to the land and also the timing of waste application. Linked to the scheme is a comprehensive programme of scientific monitoring. The broad requirements of the European Community Nitrate Directive are described. In the case of air pollution due to odours, poultry farms were reported to be responsible for 17% of complaints attributed to agriculture. Where appropriate, legislative means exist to reduce the nuisance and a Code of Good Agricultural Practice for the Protection of Air has been published. Some implications for poultry production in the future are considered.
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Liu, Ying, Shibing You, Nan Li, Junsheng Fang, Jie Jia, Xuesong Li, and Jingru Ren. "Study on the Agricultural Air Pollution Aggravated by the Rural Labor Migration." Atmosphere 13, no. 2 (January 21, 2022): 174. http://dx.doi.org/10.3390/atmos13020174.
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In recent years, air pollution has received serious concerns from researchers, media, and the public sectors, but air pollution from agricultural production activities has not received enough attention. This paper focuses on agricultural air pollution in central China, which is aggravated by the ongoing rural labor migration trend. With a set of panel data released from Hubei and Hunan provinces in China, we adopt the mediating effect model to explore the relationship between rural labor migration and air pollution caused by agricultural activity in China. First, we use the inventory analysis method and principal component analysis method to calculate the comprehensive index of the air pollution of agriculture in 152 counties and districts from Hubei and Hunan provinces, and we empirically test the impact of labor migration on air pollution with a mediating effect model as well as carry out regional heterogeneity analysis on the pollution effect of these two provinces mentioned above. The analysis above indicates that the increase of labor migration has intensified the comprehensive index of air pollution caused by agricultural activity by changing the supply of labor force in the agricultural sector, the budget line of rural residents, and the scale of agricultural production and crop planting structure, but there is a difference in the indirect total effect between the two provinces mentioned above according to our regional heterogeneity analysis. This study is a necessary extension to studies on alleviating and controlling air pollution in China.
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Harizanova-Bartos, Hristina, and Zornitsa Stoyanova. "IMPACT OF AGRICULTURE ON AIR POLLUTION." CBU International Conference Proceedings 6 (September 25, 2018): 1071–76. http://dx.doi.org/10.12955/cbup.v6.1296.
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Air pollution is of major importance to the environment. Last years the findings related to air pollution of the agricultural sector and the impact on it are crucial for the future development of plant and livestock breeding sectors. The main purpose of this paper is to identify, analyze and assess, on the one hand, the impacts of agriculture on air pollution and, on the other, agriculture as a pollutant. The conclusions drawn will serve as suggestions for the introduction of practices and mechanisms in agriculture that will contribute to the improvement of the environment and in particular the quality of the air.The object of the survey is the agrarian sector, and the subject of the research is 1) the impact of air pollution on the agrarian sector and 2) the effects of agrarian activities on air pollution. The paper is based on the following sequence: theoretical framework, analysis of statistical information and a survey of agrarian, environmental and agroecology experts. The survey is made under the scientific project DN 15/8 11.12. 2017 Sustainable multifunctional rural areas: reconsidering agricultural models and systems with increased demands and limited resources.
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Agrawal, G. D., S. K. Lunkad, and T. Malkhed. "Diffuse agricultural nitrate pollution of groundwaters in India." Water Science and Technology 39, no. 3 (February 1, 1999): 67–75. http://dx.doi.org/10.2166/wst.1999.0138.
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Nitrate pollution of groundwater due to urban waste and industrial effluents usually centres around cities. This study has shown that nitrate levels in groundwater over vast agricultural areas can be correlated with intensive irrigated agriculture, corresponding use of nitrogenous fertilizers and groundwater development, and consequent diffuse agricultural pollution has already endangered the safety of potable groundwater for future generations in both rural and urban areas. Chemical and bacterial treatment of groundwater for nitrate removal relies on advanced technology and is considered costly even in the developed world. In a country like India where economic resources are inadequate, action on the suggested preventive measures may be taken without delay at this stage when alarming trends have been recorded.
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Lu, Yanrong, Chen Wang, Rongjin Yang, Meiying Sun, Le Zhang, Yuying Zhang, and Xiuhong Li. "Research on the Progress of Agricultural Non-Point Source Pollution Management in China: A Review." Sustainability 15, no. 18 (September 5, 2023): 13308. http://dx.doi.org/10.3390/su151813308.
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In the 1980s, China began to recognize the gravity of the problem of non-point agricultural source pollution and conduct research on it. Agricultural non-point source pollution in China, on the other hand, differs from foreign agricultural non-point source pollution and industrial point source pollution. Because the features of agricultural non-point source pollution are complicated, it is critical to investigate a whole-chain management policy system appropriate for China’s agricultural pattern. Based on the current situation of agricultural non-point source pollution in China, this study summarizes the four stages of agricultural non-point source pollution prevention and control policies, namely the discovery stage with macro policies as the main focus, the exploration stage with single research indicators, the initial systematic strengthening stage, and the focused stage with targeted characteristics. Simultaneously, it examined the technological approaches that are suitable for China’s national circumstances and have been investigated by relying on international experience in present-day Chinese management. However, there are still some problems and challenges in agricultural non-point source pollution management policies, such as a lack of non-point source information support, a lack of coordination between different departments, a lack of support in measurement and retroactive calculation and treatment, a lack of an in-depth concept of zoning and classification, a lack of policy, an institutional system, and insufficient capital investment. Based on these problems and combining them with Green Agriculture, Beautiful China, and other goals, this paper puts forward suggestions to strengthen the policy data support of the agricultural non-point source pollution management system, enhance the research and development of the law of pollutant migration and transformation, encourage the innovation of low-cost and high-benefit treatment technology, improve the construction of the management system, strengthen the collaboration of departments, increase the investment of funds, and make other suggestions so as to promote the treatment of agricultural non-point source pollution with high quality and efficiency.
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Kiara, Shristi. "Impact of Agricultural Practices on Nitrate Pollution in Groundwater in India." International Journal of Environmental Sciences 7, no. 2 (June 3, 2024): 1–13. http://dx.doi.org/10.47604/ijes.2636.
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Purpose: The aim of the study was to examine impact of agricultural practices on nitrate pollution in groundwater in India Methodology: This study adopted a desk methodology. A desk study research design is commonly known as secondary data collection. This is basically collecting data from existing resources preferably because of its low cost advantage as compared to a field research. Our current study looked into already published studies and reports as the data was easily accessed through online journals and libraries. Findings: a significant environmental concern with far-reaching implications for human health, ecosystem integrity, and water resource management. It is evident that agricultural activities such as fertilizer application, irrigation methods, and land management practices play a pivotal role in exacerbating nitrate contamination of groundwater. The studies highlighted the complex interactions between agricultural activities and hydrological processes, elucidating the pathways through which nitrates migrate from soil to groundwater. Unique Contribution to Theory, Practice and Policy: Diffuse Pollution Theory, Hydrological Connectivity Theory & Sustainable Agriculture Theory may be used to anchor future studies on impact of agricultural practices on nitrate pollution in groundwater in India. Encourage the adoption of sustainable agricultural practices that minimize nitrate pollution while maintaining agricultural productivity. This includes promoting precision agriculture techniques, cover cropping, and integrated nutrient management systems to optimize fertilizer use and reduce nitrate leaching. Strengthen regulations and enforcement mechanisms to limit nitrate pollution from agricultural activities. This may include setting stringent water quality standards for nitrate concentrations in groundwater and implementing monitoring programs to assess compliance.
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Huang, Dayong, Yangyang Zhu, and Qiuyue Yu. "Spatial Spillover Effects of Agricultural Agglomeration on Agricultural Non-Point Source Pollution in the Yangtze River Basin." Sustainability 14, no. 24 (December 7, 2022): 16390. http://dx.doi.org/10.3390/su142416390.
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Agricultural non-point source pollution has become a matter of increasing public concern, and modern agriculture is gradually transforming into agglomeration, so it is important to study the influence of agricultural agglomeration on agricultural non-point source pollution to coordinate the relationship between resources, environment, and agricultural economic growth for guidance. With a focus on 89 prefecture-level cities in the main agricultural production areas of the Yangtze River basin in China, the authors analyzed the spatial and temporal evolution trends of agricultural agglomeration and agricultural non-point source pollution from 2000 to 2020 and then empirically tested the spatial spillover effects of agricultural agglomeration on agricultural non-point source pollution based on the spatial Durbin model (SDM). The results show that: (1) Between 2000 and 2020, agricultural agglomeration, in general, decreased from 0.364 to 0.342, and cities with agglomeration values in the third and fourth ranks are mainly located in the area north of the Yangtze River and have a tendency to extend southward over time. Agricultural non-point source pollution shows a general trend of increasing and then decreasing; its emissions rose from 404.319 × 104 tons in 2000 to 464.341 × 104 tons in 2015, and then fell to 373.338 × 104 tons in 2020, emissions in the third and fourth class of cities are mainly located in the middle and lower basin of the Yangtze River; High-value hots-pot areas of agricultural agglomeration, that is, areas with high spatial correlation, are mainly located in the upper and lower Yangtze River basin, and the areas with the higher spatial correlation of agricultural non-point source pollution are distributed in the upper, middle and lower basin of the Yangtze River. (2) The whole basin and upper basin exhibit positive and negative spatial spillover effects of agricultural non-point source pollution, Spillover effects values are 0.300 and −1.086, respectively; Agricultural agglomeration of the Whole Basin has a positive direct effect and a negative spatial spillover effect on agricultural non-point source pollution, the effect values are 0.846 and −0.520, respectively. (3) In addition to the core explanatory variable, agricultural production conditions and the share of livestock and poultry industry have a positive direct effect (the effect values are 0.109 and 0.048, respectively) and a negative spatial spillover effect (the effect values are −0.520 and −0.910, respectively) on agricultural non-point source pollution, while agricultural population size has a positive direct effect and spatial spillover effect, the effect values 0.099 and 0.452 respectively; The urbanization rate exacerbates the emission of agricultural non-point source pollution, the effect value is 0.110. while the industrial structure reduces the emission of agricultural non-point source pollution, the effect value is −0.438, but neither has a spatial spillover effect. The results imply that some effective policy measures, such as strengthening research on nutrient requirements and fertilization techniques for major crops, improving farmland infrastructure, scientifically planning and monitoring the scale of livestock farms, and strengthening inter-regional coordination and cooperation in the fight against pollution, should be taken to achieve ecological and sustainable objectives.
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Fredrick, Mwanuzi. "Modelling of Agricultural Non-point Sources Pollutants in Upper Pangani River Basin (UPRB), Tanzania." Tanzania Journal of Engineering and Technology 30, no. 2 (December 31, 2007): 119–29. http://dx.doi.org/10.52339/tjet.v30i2.405.
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The Upper Pangani River and its watershed are increasingly being impacted by environmental problems which includenon point source pollutants that are threatening the watershed resources. Increased human activities due to populationincrease, and hence agricultural activities, livestock development, the use of agrochemicals and other land developmentin the basin, have tended to lead to a serious pollution of the river water which also affects not only the aquatic life butalso human health.With intensive and extensive modern agriculture in which artificial fertilizers are in frequent use, there is a highprobability to find chemicals easily flowing into water, thus polluting it. The introduction of agricultural chemicals inrivers may be detrimental. Nitrogen and Phosphorus which are present in agricultural chemicals are essential plantnutrients, which when introduced into surface waters may cause some health problems such as blue-baby syndrome andstomach cancer.To carry out this study we divided the Upper Pangani River basin into two sub-basins; Kikuletwa and Ruvu. The studyconcentrated on Ruvu sub-basin to study and model the pollution transported to the rivers. QUAL2E model was chosenand applied to assess the pollution status of the river network. The model simulated stream flow, dissolved oxygen,phosphorus and nitrogen compounds. From model results, the amount of non-point source load reaching Ruvu river wasfound to be 7857.81tons/yr for nitrogen and 12057.39 tons/yr for phosphorus. The results of the QUAL2E model suggestthat there is pollution at upstream rivers as a result of application of fertilizers to the irrigation schemes which are themain sources of non point source pollution.
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Wang, Weiwei, Nan Lu, He Pan, Zirui Wang, Xu Han, Zhichao Zhu, and Jiunian Guan. "Heavy Metal Pollution and Its Prior Pollution Source Identification in Agricultural Soil: A Case Study in the Qianguo Irrigation District, Northeast China." Sustainability 14, no. 8 (April 10, 2022): 4494. http://dx.doi.org/10.3390/su14084494.
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Heavy metals are the primary pollutants in agricultural soil and have hindered the sustainable development of agriculture. To control heavy metal pollution, it is essential to identify the pollution sources, particularly the prior source, in agricultural soils. In the current study, Qianguo Irrigation District, a typical agricultural region in Northeast China, was selected to be investigated for the source apportionment of soil heavy metals and identify the prior pollution source. The results showed that the study area was at a moderate pollution level with considerable ecological risk, while Hg and Cd were the main pollutants. Human-health risk assessment indicated that the non-carcinogenic risk for all populations was acceptable (HI < 1), and the carcinogenic risk was not negligible (10−6 < TCR < 10−4). The main pollution sources were concluded to be of lithogenic origin (35.5%), livestock manure (25.4%), coal combustion (21.5%), and chemical fertilizers (17.7%). Coal combustion was identified as the prior pollution source, accounting for 47.69% of the RI contribution. This study can provide scientific support for environmental management and pollution control of soil heavy metals in agricultural regions.
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Janipour, Somayyeh. "Soil Pollution and Ways to prevent it in the Management of Urban Space." Journal of Research in Science, Engineering and Technology 5, no. 01 (September 13, 2019): 9–13. http://dx.doi.org/10.24200/jrset.vol5iss01pp9-13.
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Soil pollution is one of the types of environmental pollution. Soils are as cathartic in nature. In addition to being suppliers of food, it has also refined property. This property can be obtained due to their physical properties, chemical properties and biological properties. One of the major concerns of today's agriculture is soil contaminated with pollutants harmful to human. Soil pollution is as a major environmental problem in the known world. Various sources of pollution such as agricultural pollution, oil pollution, heavy metals, industrial wastes and so reduce the quality of the soil, spread in groundwater levels and the incidence of other environmental problems. However, the lack of proper management of organic waste can lead to the increase of concentration of salts, heavy metals, pathogenic microorganisms, soil pollution, water pollution, agricultural products, fish etc.
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Ledgerton, Tony. "Briefing: Agricultural pollution can be costly." Proceedings of the Institution of Civil Engineers - Waste and Resource Management 170, no. 2 (May 2017): 47–48. http://dx.doi.org/10.1680/jwarm.16.00028.
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Masujima, Hiroshi. "Water Pollution from Agricultural Land Use." Japan journal of water pollution research 11, no. 12 (1988): 733. http://dx.doi.org/10.2965/jswe1978.11.733.
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Zhichkina, Lyudmila, Vladimir Nosov, Kirill Zhichkin, Vyacheslav Zhenzhebir, Yury Abramov, and Mira Alborova. "Pesticide monitoring of agricultural soil pollution." E3S Web of Conferences 193 (2020): 01068. http://dx.doi.org/10.1051/e3sconf/202019301068.
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The role of pesticides in modern agriculture is not in doubt; the continuous improvement of drugs and technologies for their use reduces the possibility of environmental pollution and their accumulation in manufactured products. The purpose of the research is to assess the pollution of the soil cover of agricultural land with residual amounts of pesticides in the Samara region conditions. Tasks: to analyze the content of insectoacaricides and herbicides residual amounts in the soil in the spring and autumn; - establish patterns of residual pesticides migration along the soil profile. As a result of studies conducted in 2016-2018. it was found that the content of total DDT related to the first hazard class in the studied samples decreases, a similar situation is observed for organochlorine insectoacaricides HCH and HCB, their residual amounts were found in the soil in the autumn and spring periods of 2016. Residual quantities of the organophosphorus insect metacosacaricide were detected annually (the exception was the autumn period of 2017). Regarding the content of residual amounts of herbicides in the soil (2, 4-D, dalapon, simazine, atrazine, promethrin, trifluralin, THAN), it can be noted that during the years of research their content was mainly reduced. A study of the pesticides vertical migration showed that the content of their residual amounts in the soil increases with depth, reaching a maximum at a depth of 1.0-1.6 m.
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Braden, John B., Gary V. Johnson, Aziz Bouzaher, and David Miltz. "Optimal Spatial Management of Agricultural Pollution." American Journal of Agricultural Economics 71, no. 2 (May 1989): 404–13. http://dx.doi.org/10.2307/1241598.
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Roudposhti, Ghorbanali Mohammadpour, Abdolreza Karbassi, and Akbar Baghvand. "A pollution index for agricultural soils." Archives of Agronomy and Soil Science 62, no. 10 (March 8, 2016): 1411–24. http://dx.doi.org/10.1080/03650340.2016.1154542.
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Wieser, Daniela Mencarelli, and Werner Hediger. "Environmental Policies for Agricultural Pollution Control." Ecological Economics 42, no. 3 (September 2002): 500–501. http://dx.doi.org/10.1016/s0921-8009(02)00133-7.
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Pearce, David. "Environmental Policies for Agricultural Pollution Control." Waste Management 22, no. 6 (October 2002): 689–90. http://dx.doi.org/10.1016/s0956-053x(01)00079-4.
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Kumar, Rajat. "Political Ecology of Urban Agricultural Pollution." Ecology, Economy and Society–the INSEE Journal 6, no. 2 (July 30, 2023): 237–52. http://dx.doi.org/10.37773/ees.v6i2.1052.
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The Yamuna khadar or the floodplains of the river Yamuna in Delhi is a deeply contested agrarian space. While thousands have been involved in farming these floodplains for decades, contestations over their legality, compensation, land use, displacement, and impact on the river, soil, and city have been significant public concerns over the last few decades. In this paper, I focus on one aspect of this agrarian landscape—the toxicity associated with river water due to the pesticides and fertilizers used in agriculture. I examine how toxicity is perceived, discursively constructed, and dealt with by differently located stakeholders in this landscape. The differently located stakeholders associated with the toxic agrarian landscape of Yamuna khadar are not experiencing pollution as a homogenous community, i.e., neither all of them see themselves as suffering from pollution nor do they see themselves as contributing to the toxicity of the landscape in a similar way.
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Liu, Yongwei, Zhenzhen Yang, Changxiong Zhu, Baogang Zhang, and Hongna Li. "The Eco-Agricultural Industrial Chain: The Meaning, Content and Practices." International Journal of Environmental Research and Public Health 20, no. 4 (February 13, 2023): 3281. http://dx.doi.org/10.3390/ijerph20043281.
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Lucid waters and lush mountains are invaluable assets. Resource-saving and environmentally friendly industrial structures, production, and living modes are pursued continuously for sustainable ecological development. According to the Second National Pollution-Source Survey, agricultural non-point pollution is still the most important source of the current water pollution. In order to improve the water environment and control the pollution, the meaning and content of the eco-agricultural industrial chain was introduced. Based on this conception, the eco-agricultural industrial chain, integrating a whole circular system with different sessions of crop farming, animal breeding, agricultural product processing, and rural living, was innovatively put forward to control the agricultural non-point pollution and protect the water environment systematically for the first time in this paper. The sustainable development was realized at a large scale from the reduction and harmlessness at the source, resource utilization in the process, and ecological restoration in the end. Core techniques were innovated based on the integration of agricultural industries to achieve the high-quality and green development of agriculture. The system included ecological breeding technologies, ecological cultivation technologies, as well as rural sewage treatment and recycling technologies, in the principle of reduce, reuse, and resource. Based on this, the agricultural production changed from the traditional mode of “resources–products–wastes” to the circulation pattern of “resources–products–renewable resources–products”. Thus, the final aim could be achieved to realize the material’s multilevel use and energy conversion in the system. The eco-agricultural industrial chain technology was proven to be efficient to achieve both the good control of agricultural non-point pollution and an effective improvement in the water quality.
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Zhang, Fan, Yu Zhang, Weidang Lu, Yuan Gao, Yi Gong, and Jiang Cao. "6G-Enabled Smart Agriculture: A Review and Prospect." Electronics 11, no. 18 (September 8, 2022): 2845. http://dx.doi.org/10.3390/electronics11182845.
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As human society develops, the population is growing explosively and water and land resources are gradually being exhausted due to pollution. Smart agriculture is regarded as having an essential role in addressing the above challenges. Smart agriculture can significantly improve the agro-ecological environment and the yield and quality of agricultural products, and it can reduce the usage of pesticides and chemical fertilizers, thus alleviating the pollution of farmland and improving the sustainability of agricultural activities. The key to smart agriculture is in utilizing information and communication technologies to make agricultural cultivation and production automatic and intelligent. Specifically, wireless communications play an active role in the development of agriculture, and every generation of wireless communication technology drives agriculture to a more intelligent stage. In this article, we first review the wireless technologies which have mature applications in agriculture. Moreover, it is of importance to exploit the up-to-date communication technologies to further promote agricultural development. Therefore, we have surveyed the key technologies in sixth-generation mobile communication systems, as well as their existing and potential applications in smart agriculture.
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Abdul Latif, Mithal, Ahmed Al-Salhi, Yahya Kata, and Mutasim Muhammad. "The role of the agricultural extension in educating farmers about the legislation on protecting the environment from pollution with chemical pesticides." Kirkuk University Journal For Agricultural Sciences 14, no. 1 (March 25, 2023): 218–29. http://dx.doi.org/10.58928/ku23.14118.
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The research aimed to determine the role of the agricultural extension in educating farmers about the legislation on the protection of the rural environment from pollution with chemical pesticides working in the Department of Agricultural Extension and Training and the Department of Agricultural Extension in the directorates of agriculture of Najaf and Qadisiyah, and to determine the role of the agricultural extension in the axis of farmers' use of the correct methods to protect the rural environment from pollution with chemical pesticides and the axis of the reasons that lead farmers to pollute the rural environment with chemical pesticides, and to achieve the objectives of this research prepared A questionnaire in the light of reviewing the relevant literature, legislation, laws and guidance bulletins, consisting of (72) items distributed on (3) axes, namely, the role of the agricultural extension in educating farmers about the legislation on protecting the rural environment from chemical pesticide pollution, the axis of the role of the agricultural extension in the use of farmers the correct methods to protect the rural environment from pesticide pollution, and the axis of the reasons that lead farmers to pollute the rural environment with pesticides, data were collected during the months of July and August / 20 22 by the questionnaire in a personal interview method from a random sample by (100) by (60) agricultural extension, and the results of the research showed that the rate of the role of the agricultural extension in educating farmers about the legislation on environmental protection, The workers in the Department of Agricultural Extension and Training and the agricultural extension departments in the directorates of agriculture of Najaf and Qadisiyah amounted to (58.9 degrees and that the highest percentage was (60%) and falls within the category of the large role , and the results also showed a large role tends to the average in the axis of farmers' use of the correct methods to protect the rural environment from chemical pesticide pollution by (46.7%), The results showed a medium role tends to weak in the axis of the reasons that lead farmers to pollute the rural environment with chemical pesticides by (45), the researchers recommend the adoption of this study by the Ministries of Agriculture and Health and Environment and the need to pay attention to the issue of protecting the rural environment from pollution with chemical pesticides by expanding the scope of training courses, extension seminars and printing guidance bulletins related to this topic to increase and strengthen the role of agricultural extension workers in this field.
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Yuan, Ruxue, Caiyao Xu, and Fanbin Kong. "Decoupling agriculture pollution and carbon reduction from economic growth in the Yangtze River Delta, China." PLOS ONE 18, no. 1 (January 20, 2023): e0280268. http://dx.doi.org/10.1371/journal.pone.0280268.
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Agriculture is the foundation of the national economy, and agricultural nonpoint source pollution and carbon emissions are the main environmental problems limiting the development of the agricultural economy. This study takes the Yangtze River Delta as the research object and measures agricultural carbon emissions and nonpoint source pollution in the study area from 2010 to 2020 respectively. The Tapio decoupling model is used to study types of decoupling between agricultural pollution and carbon reduction and economic growth in the Yangtze River Delta from 2010 to 2020, and the GM (1,1) model is used to predict the decoupling relationship between the agricultural environment and economic growth over the next ten years. The results show the following: (1) Agricultural COD emissions come mainly from livestock and poultry breeding, dropped from 1,130,120 tons in 2010 to 908,460 tons in 2020. Agricultural TN and TP emissions come mainly from plantations. Agricultural TN emissions dropped from 892,310 tons in 2010 to 788,020 tons in 2020. Agricultural TP emissions dropped from 149,590 tons in 2010 to130,770 tons in 2020. Agricultural carbon emissions dropped from 17,115,900 tons in 2010 to 15,786,600 tons in 2020, and come mainly from agricultural fertilizer and diesel fuel and pig breeding. (2) The decoupling effect of agricultural pollution reduction and carbon reduction in the Yangtze River Delta and economic growth has been in a long-term state, with negative decoupling occurring in a few regions, mainly in 2011, 2014 and 2020. (3) In the next ten years, except for 2021, when the coordination between agricultural pollution reduction and economic growth is poor, the two show good decoupling in the remaining years. Based on the results, this study makes recommendations on how to carry out comprehensive environmental management and promote green agricultural development.
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Sharma, Om Prakash, Dheerendra Singh, Nishita Kushwah, and Aman Pratap Singh Chauhan. "Nano Biochar for Sustainable Agriculture and Environmental Remediation: A Comprehensive Review." International Journal of Environment and Climate Change 13, no. 11 (November 2, 2023): 2060–72. http://dx.doi.org/10.9734/ijecc/2023/v13i113366.
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To safeguard soil, water, and air throughout intensive agricultural operations as well as significant industrial and transportation endeavors, it is imperative that the environment and agriculture are managed sustainably. Application of biochar might be a potential approach to solve these issues. The use of biochar (BC) in agricultural techniques and for environmental remediation has shown to offer a variety of benefits, despite certain drawbacks. Superior physicochemical characteristics of nanobiochar include strong catalytic activity, distinctive nanostructure, large specific surface area, and excellent mobility in soil environments. Nanobiochar is a prime contender for sustainable agriculture to pollution remediation and catalytic reactions. Despite growing interest in biochar research for agricultural and environmental uses, it is unclear how important nanobiochar is. So, in this study, we identified several fundamental uses of nanobiochar with an emphasis on its efficacy for environmentally and agriculturally sustainable practices.
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Williams, J. R., B. J. Chambers, K. A. Smith, and D. R. Chadwick. "Minimising diffuse pollution from livestock manures – the challenges ahead." Proceedings of the British Society of Animal Science 2007 (April 2007): 264. http://dx.doi.org/10.1017/s1752756200021670.
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In the region of 90 million tonnes of farm manures, supplying 450,000 tonnes of nitrogen (N) and 119,000 tonnes of phosphorus (P) are applied to agricultural land in the UK each year. These applications are a valuable source of plant nutrients but they are also recognised as the largest source of controllable pollution in present day farming systems. Over 70% of nitrate entering water systems is estimated to originate from agricultural land and the transfer of particulate and soluble P from agricultural land has been estimated to contribute 40-50% of P loads in watercourses. Ammonia (NH3) emissions from UK agriculture contribute c.80% of total UK emissions with losses following the land spreading of farm manures responsible for c.96,000 tonnes of NH3 each year.
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Chen, M., J. Chen, and P. Du. "An inventory analysis of rural pollution loads in China." Water Science and Technology 54, no. 11-12 (December 1, 2006): 65–74. http://dx.doi.org/10.2166/wst.2006.831.
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Rural pollution has attracted increasing attention over the past decade for its important consequences on surface and groundwater quality. This is particularly so in China due to the wide and effective control of industrial and municipal wastewater discharges over the past decade. Based on the discussion of rural activities in China, this paper develops a new method of inventory analysis through the definition of elementary unit (EU). This inventory analysis approach is then applied to estimate the total rural pollution loads of COD, TN and TP, as well as their spatial distributions in China. Further analysis is also conducted to investigate the correlations between rural pollution loads and agricultural production outputs, as well as population. It is found that China's agriculture is developing largely at the cost of environment quality, and a high population, as well as the increasing demand for agricultural products, is one of the dominant driving forces. The constructed EKC, which describes the relationship between rural pollution loads and agricultural income, also reveals that current agricultural development in China is mostly far from de-locked from the environmental problem.
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Xu, Lingyan, Jing Jiang, Mengyi Lu, and Jianguo Du. "Spatial-Temporal Evolution Characteristics of Agricultural Intensive Management and Its Influence on Agricultural Non-Point Source Pollution in China." Sustainability 15, no. 1 (December 26, 2022): 371. http://dx.doi.org/10.3390/su15010371.
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The influencing mechanism of agricultural non-point source pollution under intensive agricultural management is complicated. This paper adopted provincial panel data from 2008 to 2020 to estimate the level of agricultural intensive management, the agricultural chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) emissions and emission intensity of agricultural non-point source pollution in different regions of China and analyze the spatial-temporal differentiation characteristics. Moreover, the mediation effect model and spatial spillover effect model were adopted to further explore the influence mechanism of agricultural intensive management on agricultural non-point source pollution. The results show that (1) The total emissions and emission intensity of agricultural non-point source pollution both showed an increasing trend, and these areas with high levels of agricultural non-point source pollution are roughly consistent with those areas with high-level of agricultural intensive management. (2) At the overall level, there were mediating effects of natural ecology, agricultural land management, planting and rearing structure and pollution control investment between the relationship of agricultural intensive management and agricultural non-point source pollution, among which agricultural land management was the largest. Additionally, there was significant spatial heterogeneity in the influencing mechanism of agricultural intensive management on non-point source pollution. (3) There were significant spatial agglomeration characteristics in both agricultural intensive management and agricultural non-point source pollution, which showed a fluctuating trend of “rise-decline-rise-decline”. (4) Agricultural intensive management has a significant positive spatial spillover effect on COD, TN and TP emissions of agricultural non-point source pollution. However, environmental regulation could cause agricultural non-point source pollution to be transferred nearby. Scientific understanding of the spatio-temporal differentiation characteristics and influencing mechanism of agricultural non-point source pollution under the agricultural intensive management model is conducive to providing reference for policy regulation.
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Li, Gong, and Yang. "Analysis of the Agricultural Economy and Agricultural Pollution Using the Decoupling Index in Chengdu, China." International Journal of Environmental Research and Public Health 16, no. 21 (October 31, 2019): 4233. http://dx.doi.org/10.3390/ijerph16214233.
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The development of the agricultural economy has brought the agricultural pollution, and agricultural pollution has restrained the growth of the agricultural economy and endangered public health. Since the Economic Reform opened up, China has promulgated many policies that have benefited farmers, developed the agricultural economy, and improved agricultural material levels. However, the growth in the agricultural economy has also resulted in significant environmental pollution from pesticides, agricultural fertilizers and agricultural plastic film. Agricultural pollution can affect public health, therefore it is necessary to study the relationship between agricultural economy and agricultural pollution. In this paper, the relationship between the agricultural economy and agricultural pollution is studied by using decoupling index method, taking Chengdu, Sichuan Province, China as an example, and verified by the data of 2008–2017 years of Chengdu. It was found that the decoupling index for pesticide use and per capita gross agricultural production showed “strong decoupling” ideal states in six years. From 2009–2017, the value of it increased from 0.065743–1.597385, and its decoupling state gradually transited to stable strong decoupling. The chemical fertilizer use was found to have a “strong decoupling” ideal state in five years. The value of it decreased from 1.028854–(−0.512702), while its state gradually changed to strong decoupling. However, agricultural plastic film only has one “strong decoupling” state with its value of decoupling index changed from −0.380824–(−0.250250). The increased use of plastic film has resulted in increased agricultural pollution. The research results show that growing with the development of Chengdu’s agricultural economy, the use of pesticides and fertilizers has been decreasing. Chengdu’s agricultural economy and agricultural pollution were found to have a healthy and coordinated development. The development of agricultural economy has not caused much damage to the agricultural environment. In addition, with the decline of agricultural pollution, public health problems will also be reduced.