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Relevant bibliographies by topics / Agricultural water pollution

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Academic literature on the topic 'Agricultural water pollution'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Agricultural water pollution"

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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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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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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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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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Akinbile, C. O., A. E. Erazua, T. E. Babalola, and F. O. Ajibade. "Environmental implications of animal wastes pollution on agricultural soil and water quality." Soil and Water Research 11, No. 3 (May 27, 2016): 172–80. http://dx.doi.org/10.17221/29/2015-swr.

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Miller, Watkins W., Chauncey T. K. Ching, John F. Yanagida, and Paul Jakus. "Agricultural water pollution control: An interdisciplinary approach." Environmental Management 9, no. 1 (January 1985): 1–6. http://dx.doi.org/10.1007/bf01871439.

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Moss, Brian. "Water pollution by agriculture." Philosophical Transactions of the Royal Society B: Biological Sciences 363, no. 1491 (July 30, 2007): 659–66. http://dx.doi.org/10.1098/rstb.2007.2176.

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Agriculture disrupts all freshwater systems hugely from their pristine states. The former reductionist concept of pollution was of examining individual effects of particular substances on individual taxa or sub-communities in freshwater systems, an essentially ecotoxicological concept. It is now less useful than a more holistic approach that treats the impacts on the system as a whole and includes physical impacts such as drainage and physical modification of river channels and modification of the catchment as well as nutrient, particulate and biocide pollution. The European Water Framework Directive implicitly recognizes this in requiring restoration of water bodies to ‘good ecological quality’, which is defined as only slightly different from pristine state. The implications for the management of agriculture are far more profound than is currently widely realized.

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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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Kolanek, Agnieszka, Rafalina Korol, Marzenna Strońska, and Urszula Szyjkowska. "Assessment of water pollution by nitrates in the Middle Odra Basin." Journal of Water and Land Development 11, no. 1 (December 1, 2007): 91–102. http://dx.doi.org/10.2478/v10025-008-0008-z.

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Assessment of water pollution by nitrates in the Middle Odra Basin The objective of the study was to characterise the quality of surface waters in order to determine their vulnerability to pollution by nitrogen compounds from agricultural activity, as well as to specify the areas with increased exposure, where nitrogen runoff from agricultural sources has to be reduced. It was necessary to determine surface waters liable to pollution by these compounds due to the fact that agricultural production should be carried out in the way which limits and prevents water pollution by nitrogen compounds of agricultural origin. The study addressed the following issues: the concentration of nitrogen compounds in the surface waters of the Middle Odra Basin, and the extent of eutrophication in flowing inland waters (with nitrogen as the main nutrient). The results have been plotted in figures and gathered in tables.

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Da Silva, Christian Luiz, Nádia Solange Schimitd Bassi, and Weimar Freire da Rocha Jr. "Technologies for rational water use in Brazilian agriculture." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 11, no. 2 (April 15, 2016): 239. http://dx.doi.org/10.4136/ambi-agua.1808.

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Brazil has the highest water availability of any country in the world. Nearly 20% of all the world’s rivers flow on Brazilian soil. Brazil’s herds of cattle, pigs and poultry are among the largest in the world, and the country uses irrigated agriculture extensively, which accounts for most water consumption (approximately 70% of the water consumed in the world). The Brazilian Agricultural Research Corporation (Embrapa), the largest and most important public institution of Brazilian agricultural research, has attempted to develop environmental technologies in order to minimize the impact caused by the scarcity and pollution of water resources. This paper describes the technologies this institution offers to different regions. For this purpose, a descriptive and exploratory study was conducted in various Embrapa research units. The results showed that research on the rational use of water in agriculture has intensified since the early 2000s. However, the pace of growth in agricultural activities and their impact is much greater than that of the generated technologies, demonstrating the difficulty in striking a balance in this relationship. Furthermore, it is clear that that water scarcity and the increasing pollution of shallow and deep waters are complex issues with no short-term solution.

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Dissertations / Theses on the topic "Agricultural water pollution"

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Brown, Colin David. "Pesticide movement from agricultural land." Thesis, University of Newcastle Upon Tyne, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238925.

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Halstead, John Michael. "Managing ground water contamination from agricultural nitrates." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54787.

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Ground water contamination from agricultural nitrates poses potential adverse health effects to a large segment of the rural population of the United States. Contamination is especially prevalent in livestock intensive areas, which produce large quantities of animal waste with substantial nitrogen content. In this study, potential management strategies for reducing nitrate contamination of ground water from agricultural sources were examined using an economic-physical model of a representative dairy farm in Rockingham County, Virginia. A mixed integer programming model with stochastic constraints on nitrate loading to ground water and silage production was used to simulate the impacts of various nitrate loading reduction strategies on estimated farm level net returns over variable costs. A survey of all dairy operations in the county was conducted to assist in specifying the mathematical programming model, identify current nutrient management and quality issues, and gauge farmers’ attitudes toward ground water quality and agricultural chemical use. Results of the model indicate that substantial reductions in current nitrate loadings are possible with relatively minor impacts on farmers’ net returns through the use of currently practiced approaches of cost sharing for manure storage facility construction and nutrient management planning. Greater loading reductions are achievable through presently untried policies of land use restrictions, bans on purchase of commercial fertilizer, and imposition of standards on loadings to ground water. These reductions are achieved, however, at higher costs in terms of reduced net returns. Study results indicate that a wide range of policy options exist for reducing nitrate loading to ground water; these reductions, while varying in cost, do not appear to come at the expense of eliminating the economic viability of the county dairy sector. Model results indicate that reductions in nitrate loading of 40 to 70 percent (on average) could be achieved with reductions in farmers’ net returns of one to 19 percent, respectively, when cost sharing for manure storage construction was provided. Explicit consideration was given to the annual variability in nitrate loading due to weather and other factors. The result was higher policy costs than when average loadings alone were considered.
Ph. D.

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Dils, Rachael Miriam. "Phosphorus fractionation in hillslope hydrological pathways contributing to agricultural runoff." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252323.

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Sweetman, Andrew J. "Organic contaminants in sewage sludges and their fate in agricultural soils." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296973.

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Puvaneswaran, Pathmadevy. "Agricultural sources for lake pollution : soil erosion in Slapton Ley catchment." Thesis, University of Sheffield, 1990. http://etheses.whiterose.ac.uk/10240/.

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The purpose of this study was to investigate the role of soil erosion as a factor in lake pollution and in particular the transport of phosphorus from field soils to streams and lakes in association with mobile sediment. Four land uses were selected as representative of the Slapton Ley catchment area to investigate the levels of phosphorus in the soil. The surface soil samples from the selected land use areas were analysed to determine the water-soluble phosphorus level in solution and exchangeable phosphorus level in sediment. Twelve experimental plots were studied in order to assess the erosional effects of overland flow and thus to determine the level of phosphorus from different land uses which may be influencing the eutrophication of the lake. It was concluded that slope angle, vegetation cover, surficial soil properties, animal influence and agricultural practice are the main factors influencing sediment transportation by overland flow. Estimated results for the agricultural fields indicated that the actual phosphorus loss to the Ley is always greater in sediment than solution and actual phosphorus loss in sediment is greater in arable (root) and cereal than in grass. The point water samples (136) from 13 different sources were grouped. Mean value of phosphorus concentration from the point sources indicated that the agricultural land uses such as arable and cereal provide 2 times more exchangeable phosphorus attached to sediment than the other land uses whereas farm and sewage provided 5 times more soluble phosphorus in water than other sources. Phosphorus concentration during peak discharge was examined for the Cara catchment. The results indicated that the ratio of phosphorus concentration in suspended sediment to phosphorus concentration in water is 240: 0.3 and that there is a linear relationship between phosphorus in water and phosphorus in sediment during the peak discharge. Sediment phosphorus levels in the marsh area were also examined. The results indicated that the top layers of the marsh sediment particularly at the surface, have higher phosphorus concentration than the lower layers and that there are higher levels in sediment than in water. From these results the conclusion was drawn that the soluble phosphorus in water is at highest concentration in sewage works effluent. However this effluent contributes a small proportion of phosphorus load to the Ley compared with the arable (root), cereal and grass lands in the catchment. Agricultural sources, particularly arable sources such as root and cereal play an important role on soil erosion as a factor in lake pollution and in particular in the transport of phosphorus from field soils to streams and lakes in association with mobile sediment in the Slapton Ley catchment.

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Montague, David Joel. "Managing agricultural contamination of ground water: the institutional framework." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43408.

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Oztas, Nur Banu. "Pesticide Pollution In Surface And Ground Water Of An Agricultural Area, Kumluca, Turkey." Phd thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12609445/index.pdf.

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Concentrations of 17 organochlorine and 14 organophosphorus pesticides were measured in 27 ground and 11 surface water samples collected from a heavily agricultural area, Kumluca, in spring and fall seasons of 2005. The samples were preconcentrated by Solid Phase Extraction. GC-ECD and GC-NPD systems were used for quantitative determination of organochlorine and organophosphorus pesticides respectively. The quality check/quality assurance tests were performed by the analysis of field and laboratory blanks, standard reference materials, spiked control and sample matrices, surrogate standards, sampling and analysis replicates. It is observed that, sample matrix lowers average percent recoveries from 89% to 76%. The uncertainties of measurements were calculated to determine major factors affecting the analysis results. It was observed that uncertainty arising from extraction procedure was generally the highest. The most commonly observed pesticide was endosulfan (70%) and chlorpyriphos (53%) for organophosphorus and organochlorine pesticides. The highest average concentration was observed for heptachlor (26 ng/L) and fenamiphos (184 ng/L). Generally pesticides were detected more often in surface waters, where the concentrations were also higher. The concentrations of organophosphorus pesticides in spring, and organochlorine pesticides in fall season were higher. The high occurrences and detection of degradation products of chlorinated pesticides clearly indicate their intense use before 1980s. It is shown that, in Kumluca environment, degradation of these pesticides mostly occurs in surface waters. It is observed that agricultural activities affect water quality in the region. The total concentration limit (500ng/L) was exceeded for 27% of surface and 14% of ground water samples, at least once in both seasons. The legal limit for a single pesticide (100ng/L) was exceeded by 32 % of surface, 24 % of ground water samples.

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Bumbudsanpharoke, Wimolpat. "Behaviours and attitudes in the management of nonpoint source pollution : Ping River Basin, Thailand." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4741.

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Agricultural nonpoint source pollution is recognised as a major cause of water pollution. The characteristics of nonpoint source pollution suggest that an efficient approach should focus on a source control and hence land-use management. Recently, the concept of Payments for Ecosystem Services (PES) has been advanced as an efficient market-based approach to protect in-stream water quality, while simultaneously supporting agriculture. Farmers can be rewarded for the adoption of certain ‘Best Management Practices’ (BMPs) in farming systems. But little is known about the adoption of BMPs in the context of Thai agriculture. This thesis examines the adoption of twelve BMPs on citrus farms in the Ping river basin in northern Thailand. In the context of potential PES development, three studies were undertaken using frameworks from economics and psychology. The first study used a bottom-up engineering approach to estimate economic costs of twelve BMPs at the farm-scale. The total annualised costs, including installation, maintenance, and land opportunity costs of each BMP were compared. The results indicated that land opportunity cost was the largest proportion of total costs. These estimates provided a basis for discussion on how the farmers’ perception of cost may influence their stated adoption intention. The second study used the Theory of Planned Behaviour (TPB), to investigate farmers’ intentions on adoption of twelve BMPs. A survey of 218 citrus farmers was undertaken in the application. Descriptive statistics and frequency of BMP selection were presented. The results showed that soil analysis was the most preferred BMP. A graphical analysis of other preferred measures suggested that these were not always consistent with the known cost information derived (above) and thus farmers’ perceived costs might not be the most important factor influencing adoption decisions. Further analysis based on TPB investigated other factors thought to be significant in farmers’ decision-making. Other potential external and psychological factors influencing adoption were investigated using a multinomial logistic model. The results indicated that the probability of adopting BMPs was associated with other psychological factors and external factors, rather than perceived costs. The significant psychological factors were farmers’ attitudes towards consumers and perception about farm returns, while the significant external factors were, for example, access to information and contribution of family labour to farm workload. The third study was based on the application of Q-Methodology, and aimed to obtain a deeper understanding of farmers’ perception towards BMPs. Seventy two participants were purposively selected from the 218 TPB observations. The results revealed four distinctive farmer groups holding different perceptions towards BMPs. The four groups were conservationist, traditionalist, disinterested, and risk-averse. These provided a specific segmentation to guide policy towards influencing attitudes and behaviours. The results suggested that farmers were not motivated solely by a profit maximisation goal. Overall, key findings from these three studies revealed some fundamental requirements for developing a water-related PES programme. These were: i) factors affecting eligibility to participate; ii) factors affecting desire to participate; and iii) factors affecting ability to participate. This information provided the basis for a set of recommendations addressing the development of the water-related PES programme in the Ping river basin.

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Yang, Yali. "Evaluating agricultural non-point source pollution using the Soil and Water Assessment Tool, SWAT." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ30044.pdf.

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Golembeski, Robert C. "Agricultural practices and nitrate pollution in ground water in the Central Valley of Chile /." Electronic version (PDF), 2004. http://dl.uncw.edu/etd/2004/golembeskir/robertgolembeski.pdf.

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Books on the topic "Agricultural water pollution"

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Schrama, Geerten J. I., ed. Drinking Water Supply and Agricultural Pollution. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5106-1.

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Ludwig, Ralph D. Agricultural drainage wells: Impact on ground water. Ada, OK: Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1990.

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Ongley, E. D. Control of water pollution from agriculture. Rome: Food and Agriculture Organization of the United Nations, 1996.

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Vrba, J. Impact of agricultural activities on ground water. Hannover, West-Germany: Heise, 1986.

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Filson, Glen C. Agriculture and environmental security in southern Ontario's watersheds. Hauppauge, N.Y: Nova Science Publishers, 2010.

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Ministry of Agriculture, Fisheries and Food. Code of good agricultural practice for the protectionof water. London: H.M.S.O., 1991.

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Feather, Peter M. Voluntary incentives for reducing agricultural nonpoint source water pollution. Washington, D.C: U.S. Dept. of Agriculture, Economic Research Service, 1995.

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Feather, Peter M. Voluntary incentives for reducing agricultural nonpoint source water pollution. [Washington, DC] (1301 New York Ave., NW., Washington 20005-4788): U.S. Dept. of Agriculture, Economic Research Service, 1995.

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Committee, Maryland State Soil Conservation. Maryland agricultural water quality management program, 1987. Annapolis, MD (50 Harry S. Truman Parkway, Annapolis 21401): State of Maryland, Department of Agriculture, 1987.

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Ministry of Agriculture, Fisheries and Food. Code of good agricultural practice for the protection of water. London: H.M.S.O., 1998.

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Book chapters on the topic "Agricultural water pollution"

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Swinton, Scott M., Mei-chin Chu, and Sandra S. Batie. "Agricultural Production Contracts to Reduce Water Pollution." In Flexible Incentives for the Adoption of Environmental Technologies in Agriculture, 275–83. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4395-0_17.

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Rovira, J. Soler, J. Soler Soler, P. Soler Rovira, and A. Polo Sánchez. "Code of Good Agricultural Practice and water pollution." In Fertilizers and Environment, 569–72. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1586-2_101.

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Fehér, J., M. Th van Genuchten, and T. Németh. "Nitrogen Leaching from Agricultural Soils -A Comparison of Measured and Computer-Simulated Results." In Water Pollution: Modelling, Measuring and Prediction, 27–41. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3694-5_2.

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Zheng, Zhang. "Reduce Agricultural Diffused Pollution Through Water Conservation: Inspirations of Optimal Model of Water for Agricultural Use." In Ecological Economics and Harmonious Society, 153–58. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0461-2_14.

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Sharma, Sunil Kumar, Shalini Yadav, V. K. Parashar, and Pramod Dubey. "Assessment of Agricultural Water Quality of Shallow Groundwater Between Budhni and Chaursakhedi, North of River Narmada, District Sehore, Madhya Pradesh, India." In Environmental Pollution, 403–18. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5792-2_32.

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Ali, M. H. "Pollution of Water Resources from Agricultural Fields and Its Control." In Practices of Irrigation & On-farm Water Management: Volume 2, 241–69. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7637-6_7.

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Shoemaker, Robbin A., David E. Ervin, and Margriet Caswell. "Data Requirements for Modeling and Evaluation of National Policies Aimed at Controlling Agricultural Sources of Nonpoint Water Pollution." In Theory, Modeling and Experience in the Management of Nonpoint-Source Pollution, 179–200. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3156-2_7.

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Paraf, A., and G. Peltre. "Water pollution." In Immunoassays in Food and Agriculture, 351–55. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3822-2_16.

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Guong, Vo Thi, and Nguyen My Hoa. "Aquaculture and Agricultural Production in the Mekong Delta and its Effects on Nutrient Pollution of Soil and Water." In Springer Environmental Science and Engineering, 363–93. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3962-8_14.

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Senthil Kumar, P., and G. Janet Joshiba. "Pesticides Pollution and Analysis in Water." In Sustainable Agriculture Reviews, 337–49. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54719-6_9.

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Conference papers on the topic "Agricultural water pollution"

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Marinov, A. M., M. Pele, E. M. Draghici, G. Vasile, and M. Artimon. "Experimental field research on nitrate balance in agricultural soils." In WATER POLLUTION 2010. Southampton, UK: WIT Press, 2010. http://dx.doi.org/10.2495/wp100161.

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SPENGLER, STEVEN R., MARVIN D. HESKETT, and SAMUEL C. SPENGLER. "GLYPHOSATE IN RUNOFF FROM URBAN, MIXED-USE AND AGRICULTURAL WATERSHEDS IN HAWAII, USA." In WATER POLLUTION 2018. Southampton UK: WIT Press, 2018. http://dx.doi.org/10.2495/wp180081.

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Odiyo, J. O., R. Makungo, and T. G. Muhlarhi. "The impacts of geochemistry and agricultural activities on groundwater quality in the Soutpansberg fractured aquifers." In WATER POLLUTION 2014. Southampton, UK: WIT Press, 2014. http://dx.doi.org/10.2495/wp140111.

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Torma, Stanislav. "THE POSSIBLE WATER POLLUTION FROM AGRICULTURAL SOILS." In 13th SGEM GeoConference on WATER RESOURCES. FOREST, MARINE AND OCEAN ECOSYSTEMS. Stef92 Technology, 2013. http://dx.doi.org/10.5593/sgem2013/bc3/s13.033.

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Zou, Jiliang, and Yongkang Yuan. "Team Approaches for Agricultural Nonpoint Source Water Pollution Control." In 2009 International Conference on Management and Service Science (MASS). IEEE, 2009. http://dx.doi.org/10.1109/icmss.2009.5303556.

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Qiang-kun Li, Juan Sun, and Ya-wei Hu. "Preliminary establishment of agricultural non-point source pollution model." In 2011 International Symposium on Water Resource and Environmental Protection (ISWREP). IEEE, 2011. http://dx.doi.org/10.1109/iswrep.2011.5893352.

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Adela Sorinela, SAFTA, and POPESCU Lavinia. "Risk of leachate, protection of waters against pollution by nitrates from agricultural sources." In 5th International Electronic Conference on Water Sciences. Basel, Switzerland: MDPI, 2020. http://dx.doi.org/10.3390/ecws-5-08045.

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Hongzhi Wu and Xuwei Ru. "The analysis of agricultural non-point source pollution in Lake Nansi Basin." In 2012 International Symposium on Geomatics for Integrated Water Resources Management (GIWRM). IEEE, 2012. http://dx.doi.org/10.1109/giwrm.2012.6349592.

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M.H, Norlida, Mohammad Aufa M.B, Muhammad Naim Fadzli A.R, Mohd Shahril Shah M.G, and Czahari M. "Effect of Different Fertilizer Management on Water Quality in the Paddy Field." In 2nd International Conference on Agriculture, Food Security and Safety. iConferences (Pvt) Ltd, 2021. http://dx.doi.org/10.32789/agrofood.2021.1002.

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Abstract:

Agricultural intensification is one of the major causes of water pollution. In recent decades, agricultural water quality degradation has become more severe, which in turn emphasizes the importance of improving and implementing sustainable agricultural practices. Precision agriculture variable rate fertilizer application technology is seen as a strategy to reduce environmental pollution caused by excessive fertilizer usage. Fertilizer input rate is altered within the field in response to factors affecting the optimal application rate. The objective of this study was to investigate the effects of uniform rate and variable–rate (N) fertilizer management on surface water quality. Various physical and chemical water quality parameters at the water inlet, paddy field, irrigation canal, and drainage canals were also examined to evaluate seasonal water quality trends. Water sampling was carried out twelve times between September 2018 and July 2019, involving two cultivation seasons within a total of 60 hectares of paddy field in FELCRA Seberang Perak, Malaysia. All water quality measures fall within classes II to IV of the Malaysian National Water Quality Standards (NWQS) with the exception of P, Al, and Fe. In season one, 64% of P, 46% of Al, and 18% of Fe concentrations were found to exceed NWQS Class IV. However, the percentages were lower compared to season two. During the monitoring period, the average concentration of nitrate and ammonia in variable-rate plots was lower than uniform rate plots in both seasons. Furthermore, temperature, Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), pH, Cu, Fe, K, and Mn were significantly different between the two seasons of cultivation.

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Hantush, Mohamed M., and Zhonglong Zhang. "Probabilistic Assessment of Ground-Water Vulnerability to Nonpoint Source Pollution in Agricultural Watersheds." In Wetlands Engineering and River Restoration Conference 2001. Reston, VA: American Society of Civil Engineers, 2001. http://dx.doi.org/10.1061/40581(2001)77.

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