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Journal articles on the topic 'Nutrients Retention'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Lestari, Nur Aisah Cindy, and Wahida Wahida. "Evaluation of Land Suitability of Soybean, Corn and Peanuts in Kamno Sari Village, Jagebob District, Merauke Regency." Musamus AE Featuring Journal 2, no. 2 (2021): 41–51. http://dx.doi.org/10.35724/maef-j.v2i2.3503.

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ABSTRACT  This study aimed to determine the land suitability class for soybean, corn and peanut plants in Kamno Sari Village, Jagebob District, Merauke Regency. Data analysis was carried out by matching or compare the land requirement for plant and the properties of the land in the study area. The results of this comparison shows the land suitability level for corn, soybeans and peanuts which includes S1 (very suitable), S2 (appropriate), S3 (marginally appropriate), N1 (not suitable at this time) and N2 (not suitable permanently). The results showed that the land suitability class

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Lee, Byunghyun, Inyong Jeong, Tae Suk Kim, Bora Moon, and Suk Mo Lee. "Nutrients retention of artificial wetlands in the Nakdong river basin." Korean Ecological Engineering Society 9, no. 1 (2022): 1–10. http://dx.doi.org/10.33214/kees.2022.9.1.1.

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As projects for maintenance and restoration of the river basin ecosystem are implemented, a riverine ecobelt creation project is being promoted to purchase and restore land in the Nakdong River basin. This study analyzed the effects of nutrients retention at two artificial wetlands and one pot seedling restoration area created by the Nakdong River basin's riverine ecobelt creation project. By type of retention, the amount of nutrient stored by plants was the highest, and the amount of nutrient stored by land plants was higher than that of aquatic plants. The total amount of retention was

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White, Robin R. "346 Nutritional Strategies to Enhance Nutrient Retention in Cattle, Fields, and Farms." Journal of Animal Science 99, Supplement_3 (2021): 194. http://dx.doi.org/10.1093/jas/skab235.350.

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Abstract Nutrient retention within livestock systems is a critical goal for enhancing efficiency of food production and promoting sustainable livestock farming. We define nutrient retention as the sequestering of C, N, and P within biotic elements of farming systems in sinks which have minimal loss to environmentally detrimental ends. Our objective is to summarize strategies to improve nutrient retention from ruminant animal production systems using nutritional management. Nutritional strategies for nutrient retention within animals and downstream food products include dilution of maintenance;

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Adame, María Fernanda, Bernardino Virdis, and Catherine E. Lovelock. "Effect of geomorphological setting and rainfall on nutrient exchange in mangroves during tidal inundation." Marine and Freshwater Research 61, no. 10 (2010): 1197. http://dx.doi.org/10.1071/mf10013.

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One of the key ecosystem services provided by mangroves is their role in mediating nutrient exchange, thereby protecting coastal ecosystems from negative impacts of nutrient enrichment. In this study, we tested whether geomorphological setting and level of rainfall affect the intensity and direction of nutrient exchange. Our hypotheses were that tidal mangroves retain more nutrients than riverine mangroves and that nutrient retention is stronger during periods of high rainfall. Concentrations of soluble reactive phosphorus (SRP), nitrogen oxides (NOx–-N) and ammonium (NH4+) were measured from

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Buescher, Ron. "Changes in Nutritional Value of Horticultural Food Crops Affected by Handling, Storage, and Processing." HortScience 31, no. 4 (1996): 697a—697. http://dx.doi.org/10.21273/hortsci.31.4.697a.

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Postharvest handling, storage, and processing greatly affect retention and bioavailability of nutrients in horticultural food crops. Although there are a few exceptions, concentrations of most nutrients are reduced by all postharvest operations. Losses of certain nutrients may range from 5% to 100%, depending on their chemical stability, solubility, and postharvest treatment. Therefore, the amount of a particular nutrient in a horticultural food at the time of harvest may not reflect the amount present when the raw or cooked food is consumed. Most vitamins are susceptible to oxidation catalyze

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Guarnieri, Simone Francieli, Elisamara Caldeira do Nascimento, Robson Ferreira Costa Junior, Jorge Luiz Brito de Faria, and Francisco de Almeida Lobo. "Coconut fiber biochar alters physical and chemical properties in sandy soils." Acta Scientiarum. Agronomy 43 (July 5, 2021): e51801. http://dx.doi.org/10.4025/actasciagron.v43i1.51801.

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This work aimed to characterize the biochar produced from residues of coconut fruit and to evaluate how it might beneficially alter the retention capacity of water and nutrients in soils with a sandy texture. The biochar was produced in a retort furnace and later analyzed to determine its chemical and physical characteristics. Experiments to analyze the retention potential of the biochar for water and nutrients were performed in PVC columns filled to a 400 mm depth, with the upper 300 mm receiving treatments that consisted of 0, 1, 2, 3, 4, and 5% (p p-1) biochar mixed with soil. For the nutri

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Rinke, Karsten. "How efficient are pre-dams as reservoir guardians? A long-term study on nutrient retention in small impoundments." ARPHA Conference Abstracts 8 (May 28, 2025): e151107. https://doi.org/10.3897/aca.8.e151107.

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Assessing nutrient loading and processing is crucial for water quality management in lakes and reservoirs. Understanding the fluxes of nutrients through the hydrological pathway and the involved transformations and corresponding retention patterns is therefore important for stakeholders, water managers, as well as researchers. Quantifying and reducing external non-point source nutrient inputs in these systems remains a significant challenge. The difficulty arises primarily from two factors:the low nutrient monitoring frequencies and corresponding difficulties in quantification andthe limited a

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Gordon, Brad A., Olivia Dorothy, and Christian F. Lenhart. "Nutrient Retention in Ecologically Functional Floodplains: A Review." Water 12, no. 10 (2020): 2762. http://dx.doi.org/10.3390/w12102762.

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Nutrient loads in fresh and coastal waters continue to lead to harmful algal blooms across the globe. Historically, floodplains—low-lying areas adjacent to streams and rivers that become inundated during high-flow events—would have been nutrient deposition and/or removal sites within riparian corridors, but many floodplains have been developed and/or disconnected. This review synthesizes literature and data available from field studies quantifying nitrogen (N) and phosphorus (P) removal within floodplains across North America and Europe to determine how effective floodplain restoration is at r

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Stewart Jr., C. Neal, and Erik T. Nilsen. "Drosera rotundifolia growth and nutrition in a natural population with special reference to the significance of insectivory." Canadian Journal of Botany 70, no. 7 (1992): 1409–16. http://dx.doi.org/10.1139/b92-177.

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The impact of nutrient addition on growth and nutrient accumulation in Drosera rotundifolia was studied in a field population. Experiments were performed by exclosing insects and (or) adding phosphorus and (or) nitrogen to soil. Drosera rotundifolia did not significantly benefit from insect capture nutritionally or energetically in native or nutritionally enhanced soils. Added nutrients to the soil or supplemental foliar insect feeding decreased phosphorus retention in hibernacula by 50%. Nutrient additions reduced D. rotundifolia vegetative growth in both N and P addition treatments. In addit

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Gronwald, M., A. Don, B. Tiemeyer, and M. Helfrich. "Effects of fresh and aged chars from pyrolysis and hydrothermal carbonization on nutrient sorption in agricultural soils." SOIL 1, no. 1 (2015): 475–89. http://dx.doi.org/10.5194/soil-1-475-2015.

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Abstract. Leaching of nutrients from agricultural soils causes major environmental problems that may be reduced with amendments of chars derived from pyrolysis (pyrochars) or hydrothermal carbonization (hydrochars). Chars are characterized by a high adsorption capacity – i.e. they may retain nutrients such as nitrate and ammonium. However, the physicochemical properties of the chars and hence their sorption capacity likely depend on feedstock and the production process. We investigated the nutrient retention capacity of pyrochars and hydrochars from three different feedstocks (digestates, Misc

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Gronwald, M., A. Don, B. Tiemeyer, and M. Helfrich. "Effects of fresh and aged biochars from pyrolysis and hydrothermal carbonization on nutrient sorption in agricultural soils." SOIL Discussions 2, no. 1 (2015): 29–65. http://dx.doi.org/10.5194/soild-2-29-2015.

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Abstract. Leaching of nutrients from agricultural soils causes major environmental problems that may be reduced with biochar amendments to the soils. Biochars are characterised by a high adsorption capacity, i.e., they may retain nutrients such nitrate and ammonium. However, biochar properties strongly depend on feedstock and the production process. We investigated the nutrient retention capacity of biochars derived from pyrolysis (pyrochar) as well as from hydrothermal carbonization (hydrochar; produced at 200 and 250 °C) from three different feedstocks (digestates, Miscanthus, woodchips) mix

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Chauhan, Sunita, Merodi Sanga, Hitesh Solanki, and Linz Buoy. "COMPRESSION OF SOIL FERTILITY BETWEEN ORGANIC AND CHEMICAL FARMING." VIDYA - A JOURNAL OF GUJARAT UNIVERSITY 3, no. 2 (2024): 191–97. https://doi.org/10.47413/53avr823.

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Context This comparative study investigates soil nutrient retention in organic versus chemical farming systems. As agricultural practices evolve to meet growing food demands, understanding impacts on soil health becomes increasingly crucial. Aims This study aims to elucidate how different farming practices influence soil nutrient dynamics which are essential for sustainable crop production and environmental conservation. Methods The study investigates the impact of organic and chemical farming practices on soil parameters including pH, electrical conductivity (EC), moisture content, the availa

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Kaur, Navjot, and Gaganpreet Kaur. "Effect of processing on nutritional and antinutritional composition of bathua (Chenopodium album) leaves." Journal of Applied and Natural Science 10, no. 4 (2018): 1149–55. http://dx.doi.org/10.31018/jans.v10i4.1856.

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Bathua (Chenopodium album) leaves were undertaken for different processing techniques and analyzed for their nutritional and anti-nutritional composition. Effect of processing on nutrient retention was assessed to attain the best processed form of leaves with maximum amount of nutrients. It was observed that the Cabinet dried processing improved the protein, fibre and ash content of leaves by 29.30, 5.74 and 16.42 percent respectively. Shade and cabinet dried technique improved the vitamin C and ?-carotene by 34 and 14323 percent respectively. Maximum retention of calcium and iron was found in

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Zessner, M., and H. Kroiss. "Retention and Losses of Nutrients in the Hydrosphere of Austria." Water Science and Technology 40, no. 10 (1999): 59–66. http://dx.doi.org/10.2166/wst.1999.0502.

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A nutrient balance study showed a big difference between estimated emissions into the surface waters of the Danube Basin and the measured loads that enter the Danube Delta and the Black Sea. That means the emission estimations are wrong, the measured loads are wrong or retention and losses of nutrients in the hydrosphere are of decisive importance. An interpretation of water quality monitoring of the Danube at Vienna from about 400 days and the comparison of emissions from 12 (sub-) catchment areas of Austrian Danube tributaries and measured loads in these rivers, underline the importance of r

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15

Cedeño, Juan M., Juan-José Magán, Rodney Bruce Thompson, María-Dolores Fernández, and Marisa Gallardo. "Comparison of Methods to Determine Nutrient Uptake of Tomato Grown in Free-Draining Perlite Substrate—Key Information for Optimal Fertigation Management." Horticulturae 10, no. 3 (2024): 232. http://dx.doi.org/10.3390/horticulturae10030232.

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Two methods were compared to determine crop nutrient uptake by tomato crops in free-draining perlite substrate. They were the nutrient balance method (applied minus drained) and the dry matter method (DM) (nutrients in plant material). Uptake of N, P, K, Ca, Mg, and S was determined using both methods, in three consecutive tomato crops planted in the same perlite. Nutrient uptake determined using the balance method was consistently higher than with the DM method. Relative differences (balance minus dry matter, with respect to the DM method) were N: −1 to 16%, P: 27–45%, K: 14–46%, Ca: 17–87%,

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Baldwin, Meitankeisangbam, Brien Singh Thokchom, Mansi Devi Yanglem, and Chanulembi Devi Samjetsabam. "Influence of Seed Membrane Integrity on Nutrient Retention in Aged Brassica Seeds." International Journal of Innovative Science and Research Technology (IJISRT) 9, no. 12 (2024): 186–91. https://doi.org/10.5281/zenodo.14505271.

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This study examines the role of seed membrane integrity in maintaining nutrient levels specifically nitrogen (N), potassium (K), and calcium (Ca) in aged seeds of Brassica species. Seed longevity and the preservation of nutrients are essential for agricultural productivity, as the loss of nutrients during storage can reduce seed viability and negatively impact crop performance. Despite the global significance of Brassica crops, the association between membrane integrity and nutrient retention has not been extensively studied. In this research, six Brassica varieties were subjected to controlle

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Povilaitis, Arvydas, Per Stålnacke, and Anatoly Vassiljev. "Nutrient retention and export to surface waters in Lithuanian and Estonian river basins." Hydrology Research 43, no. 4 (2012): 359–73. http://dx.doi.org/10.2166/nh.2012.124.

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The statistical model MESAW was applied to simultaneously estimate export coefficients and retention of nutrients in four Lithuanian and three Estonian river basins (range 946–8,388 km2). This modelling approach uses non-linear regression to yield the export coefficients for total nitrogen and total phosphorus losses to surface waters, considering different land-use classes and retention of nutrients in the river network. The model was applied to data from 40 water quality monitoring sites and corresponding sub-basin data on land use, point sources and atmospheric deposition. The results showe

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Hall, Jr., Robert, and Jennifer Tank. "Relating Transient Storage and Whole-System Metabolism with Nitrogen Uptake in Streams." UW National Parks Service Research Station Annual Reports 23 (January 1, 1999): 93–97. http://dx.doi.org/10.13001/uwnpsrc.1999.3379.

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Streams are important landscape features because they provide an avenue for nitrogen loss from a watershed to downstream ecosystems and eventually the ocean; however, in-stream processes can control nutrient transport and export (e.g. Burns 1998). Nitrogen is an important element because it limits rates of primary production in many terrestrial and aquatic ecosystems. Alteration of the forms, timing, and concentration of nutrients is a central property of lotic systems (Fisher et al. 1998). Understanding controls on both transport and retention are central to predicting how streams influence n

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Wetzel, R. G. "Fundamental processes within natural and constructed wetland ecosystems: short-term versus long-term objectives." Water Science and Technology 44, no. 11-12 (2001): 1–8. http://dx.doi.org/10.2166/wst.2001.0803.

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Use of wetland ecosystems for water pollution control consists essentially of sustained induced disturbances as pollutants are loaded to complex biological communities. Objectives are to maximize pollutant loading, incorporation, and retention while maintaining highest levels of community metabolism and minimal alteration of community structure. Several basic processes are emphasized: (a) macrophyte productivity in relation to shoot:root ratios, and nutrient availability; (b) macrophyte life history strategies, succession, and biodiversity under constant pollutant stress; (c) importance of sta

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20

Niazi, Parwiz, Zaland Hekmatullah, Mohammad Usman Mohammad, et al. "Biochar as a Fertilizer Replacement for Sustainable Agriculture." Journal for Research in Applied Sciences and Biotechnology 2, no. 4 (2023): 8–18. http://dx.doi.org/10.55544/jrasb.2.4.2.

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Biochar is a promising solution for pesticide pollution and soil degradation in agriculture. It improves fertilizer efficiency by increasing nutrient availability, and acts as a slow-release fertilizer. Biochar enhances soil fertility by retaining nutrients, and increasing organic matter, water retention, and microbial activity. It also shows potential in pesticide degradation through chemical, and microbial processes. However, the sorption of pesticides on biochar can hinder degradation. Factors like feedstock, pyrolysis temperature, and application rate influence biochar's nutrient retention

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Natumanya, Patience, Hannington Twinomuhwezi, Victory S. Igwe, Sarvarian Maryam, and Chinaza G. Awuchi. "Effects of Drying Techniques on Nutrient Retention and Phytochemicals in Selected Vegetables." European Journal of Agriculture and Food Sciences 3, no. 2 (2021): 5–14. http://dx.doi.org/10.24018/ejfood.2021.3.2.247.

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Vegetables are a rich source of bioactive compounds and functional constituents that are beneficial to human health. However, the short shelf life of these vegetables can be a major cause of bio unavailability of nutrients when they are out of season especially during dry season. Drying is one of the most convenient technologies for the production of shelf stable food products. However, drying can lead to considerable loss of the available bioactive compounds due to thermal degradation depending on the drying method and temperature conditions. This study investigated the effect of three drying

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Haraz, Mohammed Taha, Les Bowtell, and Raed A. Al-Juboori. "Biochar Effects on Nutrients Retention and Release of Hydroponics Growth Media." Journal of Agricultural Science 12, no. 8 (2020): 1. http://dx.doi.org/10.5539/jas.v12n8p1.

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Applying biochar (BC) to broad acre crops is an effective way to sequester carbon while improving soil fertility and reducing nutrient leaching. Adopting a similar approach in a hydroponic environment, BC may enhance nutrient availability and reduce natural fluctuations in the nutrient solution. This study monitored the effect of BC addition to peatmoss growth media with ratios of 0%, 5%, 25% and 50% on pH, electrical conductivity (EC) and macronutrient retention, over 15 days using hydroponic nutrient solution controls. Deionised water was used to measure nutrient releases in the closed loop

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Samja Sabu and Kalpana C. A. "Nutrient content of fresh and nutrient retention in cooked Solanum nigrum Linn. leaves and green berries." JOURNAL OF ADVANCED APPLIED SCIENTIFIC RESEARCH 3, no. 4 (2021): 42–49. http://dx.doi.org/10.46947/joaasr342021128.

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At present, the demand for nutraceuticals in lifestyle diseases is increasing due to its low side effects. Many of the vegetables which we include in the diet itself possess nutraceutical properties besides its culinary purposes. Many such plants are still unfamiliar to the common man due to lack of awareness about their therapeutic potentials. Solanum nigrum Linn. is a plant which belongs to the family Solanacea and possess nutraceutical properties. Nutrient retention of vegetables subjected to different cooking methods varies. The present study aimed to analyse the nutrient content and estim

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Tran, M. L., J. Bahng, S. Pankratz, and I. H. Suffet. "Transport of nutrients and eutrophication control by an urban runoff diversion system protecting a drinking water reservoir." Water Supply 8, no. 2 (2008): 173–80. http://dx.doi.org/10.2166/ws.2008.062.

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Urban runoff from five storms during the 2003–2004 and 2004–2005 rainy seasons was sampled at the exit point of runoff diversion forebays leading to engineered retention ponds to protect a drinking water reservoir. Samples were collected from three different drainage areas both years and were analysed for water quality parameters including total dissolved solids, electrical conductivity (EC), dissolved organic carbon, bacterial count and nutrients in the water phase. In the second year of the study, samples were also taken at the entry point into the forebays and analysed to determine if the f

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Elçi, Alper. "Evaluation of nutrient retention in vegetated filter strips using the SWAT model." Water Science and Technology 76, no. 10 (2017): 2742–52. http://dx.doi.org/10.2166/wst.2017.448.

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Abstract Nutrient fluxes in stream basins need to be controlled to achieve good water quality status. In stream basins with intensive agricultural activities, nutrients predominantly come from diffuse sources. Therefore, best management practices (BMPs) are increasingly implemented to reduce nutrient input to streams. The objective of this study is to evaluate the impact of vegetated filter strip (VFS) application as an agricultural BMP. For this purpose, SWAT is chosen, a semi-distributed water quality assessment model that works at the watershed scale, and applied on the Nif stream basin, a

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Behrendt, Horst. "Inventories of point and diffuse sources and estimated nutrient loads - a comparison for different river basins in Central Europe." Water Science and Technology 33, no. 4-5 (1996): 99–107. http://dx.doi.org/10.2166/wst.1996.0493.

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A comparison of the estimated emissions (input) with the measured loads at monitoring stations (output) is presented for the large Rivers Rhine, Elbe and its main tributaries and for the River Warnow, a smaller river in the north-east part of Germany. The comparison shows that the discrepancies between the estimated emissions and the measured load is small for the Rhine and its main tributaries, Mosel, Neckar and Main. Large discrepancies were found for the Elbe and its main tributaries. For all investigated river systems a strong relationship exists between the quotient of measured nutrient l

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Song, Dairong, Fang Liu, Airong Jia, et al. "Microwave Pretreatment-Induced Significant Nutrient and Metabolite Changes in Sea Cucumber Apostichopus japonicus." Marine Drugs 23, no. 6 (2025): 249. https://doi.org/10.3390/md23060249.

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The body wall of sea cucumbers is rich in nutrients and small-molecule metabolites; however, traditional hot water pretreatment often leads to nutrient loss. To optimise processing techniques, this study compared the effects of microwave pretreatment and conventional hot water pretreatment on nutrient retention and metabolite profiles. Untreated sea cucumber body wall samples served as controls. The samples were subjected to microwave pretreatment (4 W/g, 12 min) or hot water pretreatment (100 °C, 10 min). Nutrient retention rates and metabolite variations were systematically analysed. Microwa

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Almroth-Rosell, Elin, Moa Edman, Kari Eilola, H. E. Markus Meier, and Jörgen Sahlberg. "Modelling nutrient retention in the coastal zone of an eutrophic sea." Biogeosciences 13, no. 20 (2016): 5753–69. http://dx.doi.org/10.5194/bg-13-5753-2016.

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Abstract. The Swedish Coastal zone Model (SCM) was used at a test site, the Stockholm archipelago, located in the northern part of the central Baltic Sea, to study the retention capacity of the coastal filter on nitrogen (N) and phosphorus (P) loads from land and atmosphere. The efficiency of the coastal filter to permanently retain nutrients determines how much of the local nutrient loads actually reach the open sea. The SCM system is a nutrient–phytoplankton–zooplankton–detritus-type model coupled to a horizontally integrated, physical model in particular suitable for estuaries. In this stud

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Kellman, Martin. "Nutrient retention by tropical ecosystems: soil adsorption and plant absorption as synergistic processes." Journal of Tropical Ecology 18, no. 6 (2002): 877–95. http://dx.doi.org/10.1017/s0266467402002572.

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Laboratory and growth-chamber experiments were used to evaluate whether there was evidence for nutrient retention by tropical terrestrial ecosystems being a two-stage process involving first soil adsorption and then plant absorption. Quartz sand with and without Fe and Al oxide coatings were treated with nutrient solution, then subjected to a leaching regime that simulated early wet-season conditions at a tropical location. Nutrient cations applied were rapidly lost in the initial leaches from quartz sand without oxide coatings, but showed a more gradual loss from oxide-coated sand, indicating

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Mangera, Y., and Parjono. "Land suitability evaluation for sugarcane (Saccharum officinarum), corn (Zea mays), and cassava (Manihot esculenta) in Gurinda Jaya Village, Jagebob District, Merauke Regency." IOP Conference Series: Earth and Environmental Science 1471, no. 1 (2025): 012032. https://doi.org/10.1088/1755-1315/1471/1/012032.

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Abstract Land suitability assessment for sugarcane, corn, and cassava crops is carried out through land evaluation, which is an important thing to do before designing a long-term agricultural development program to meet food and energy needs. This study aims to determine the actual and potential land suitability class for the three crops in Gurinda Jaya Village, Jagebob District, Merauke Regency. The method used is a survey and soil sampling from two types of land, namely field and shrubs. Data were analyzed by matching crop cultivation requirements with land quality and characteristics accord

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Hemminga, M. A., N. Marbà, and J. Stapel. "Leaf nutrient resorption, leaf lifespan and the retention of nutrients in seagrass systems." Aquatic Botany 65, no. 1-4 (1999): 141–58. http://dx.doi.org/10.1016/s0304-3770(99)00037-6.

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Wang, Yilan, Yuedong Zhang, Qiu Cui, Yingang Feng, and Jinsong Xuan. "Composition of Lignocellulose Hydrolysate in Different Biorefinery Strategies: Nutrients and Inhibitors." Molecules 29, no. 10 (2024): 2275. http://dx.doi.org/10.3390/molecules29102275.

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The hydrolysis and biotransformation of lignocellulose, i.e., biorefinery, can provide human beings with biofuels, bio-based chemicals, and materials, and is an important technology to solve the fossil energy crisis and promote global sustainable development. Biorefinery involves steps such as pretreatment, saccharification, and fermentation, and researchers have developed a variety of biorefinery strategies to optimize the process and reduce process costs in recent years. Lignocellulosic hydrolysates are platforms that connect the saccharification process and downstream fermentation. The hydr

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Rawat, Laxmi, S. Kamboj, Deepak Kholiya, and Arun Kandwal. "Biomass/productivity and nutrient retention in some Dalbergia sissoo Roxb. plantations of Punjab, India." Indian Journal of Forestry 31, no. 4 (2008): 509–16. http://dx.doi.org/10.54207/bsmps1000-2008-y7h409.

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The biomass and nutrient distribution in Dalbergia sissoo Roxb. Plantations of different ages (25-33 years) has been studied at six sites at Nara, Chaksadhu, Dhirowal, Kharkan, Dharamkot and Kamalpur of Hoshiarpur, Feerozpur and Amritsar Forest Division of Punjab. The biomass ranged from 83.56 kg tree-1 to 1516 kg tree-1 and from 85.42 to 1226.94 t ha-1 in all these sites. Productivity ranged from 2.59 t ha-1 yr-1 (at 33 yrs) to 9.28 t ha-1 yr-1 (at 25 yrs). The contribution of individual tree components to total biomass varied as: leaf 0.65 to 3.86%; twig 1.62 to 5.64%, branch 10 to 24.88%, b

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Hanisa, Hanisa, Amir Tjoneng, and Annas Boceng. "EVALUASI KESESUAIAN LAHAN TANAMAN BAWANG MERAH (Allium Cepa.L) DI KECAMATAN LEMBANG KABUPATEN PINRANG." AGrotekMAS Jurnal Indonesia: Jurnal Ilmu Peranian 4, no. 1 (2023): 37–45. http://dx.doi.org/10.33096/agrotekmas.v4i1.310.

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This research was conducted in Lembang District, Pinrang Regency, from November to December 2021. The aim was to determine the suitability of actual and potential land and the limiting factors for shallot (Allium cepa L.) plants in Lembang District, Pinrang Regency. This research was based on the FAO method which has been modified by the department of agriculture with the approach of land characteristic factors. The results of the analysis of the actual land suitability class of shallot plants on entisol soil types land units 1,2,3,4,5,6,8,11,12,13,14,15,16 and 19 on marginally suitable entiso

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Singh, Mahakdeep, Amandeep Kaur, and Mandeep Singh. "Impact of Land Configuration and Nutrients Levels on Growth, Yield Attributes and Yield of Oilseed Crops: A Review." ECOLOGY, ENVIRONMENT AND CONSERVATION 29, suppl (2023): 48–53. http://dx.doi.org/10.53550/eec.2023.v29i06s.007.

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Crops are sown using a variety of land configuration techniques, which have major benefits for the correct growth of oilseed crops as well as for the effective use of water and the management of soil erosion. Different land configurations like flat bed, line sowing, and broad bed furrow play an important part in reducing problems with plants and soil like spacing, water need, and nutrient retention. Land layout factors like slope and elevation may also have an impact. Nutrient concentrations like nitrogen, phosphorus, and potassium are necessary for a plant to grow and develop. While insuffici

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Jiao, Yuanmei, Zhiqin Zha, and Qiue Xu. "A Modified Location-Weighted Landscape Index to Evaluate Nutrient Retention in Agricultural Wetlands: A Case Study of the Honghe Hani Rice Terraces World Heritage Site." Agriculture 12, no. 9 (2022): 1480. http://dx.doi.org/10.3390/agriculture12091480.

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Understanding the influence of landscape patterns on the water quality of agricultural wetlands is critically important for their management and related decision-making. However, the question of how to quantify this objectively remains a challenge in the relevant scientific fields. In this study, the location-weighted landscape index (LWLI), a process-oriented indicator that integrates ecological processes with landscape patterns based on the source and sink theory, was modified into the SLWLI by assigning nutrient-based weights in the Honghe Hani Rice Terraces World Heritage Site (HHRT). The

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Aini, L. N., B. H. Isnawan, and E. Hanudin. "Land Suitability Re-evaluation for Fruit Crops in the Post-Eruption Merapi 2010." IOP Conference Series: Earth and Environmental Science 985, no. 1 (2022): 012034. http://dx.doi.org/10.1088/1755-1315/985/1/012034.

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Abstract The Mt. Merapi eruption in 2010 devastated the economic and ecological conditions in the affected areas. However, the volcanic material from the eruption has a positive impact on land rejuvenation, due to the addition of weatherable minerals which are rich in nutrients for plants. This study aims to re-evaluate the land suitability of the areas affected by the 2010 Merapi eruption for fruit crops. The research was conducted at 7 areas (Kaliadem, Kinahrejo, Jambu, Petung, Ngepringan, Pager Jurang, and Gadingan) based on the volcanic material distribution map. The selected commodities a

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Maavara, Taylor, Christopher T. Parsons, Christine Ridenour, et al. "Global phosphorus retention by river damming." Proceedings of the National Academy of Sciences 112, no. 51 (2015): 15603–8. http://dx.doi.org/10.1073/pnas.1511797112.

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More than 70,000 large dams have been built worldwide. With growing water stress and demand for energy, this number will continue to increase in the foreseeable future. Damming greatly modifies the ecological functioning of river systems. In particular, dam reservoirs sequester nutrient elements and, hence, reduce downstream transfer of nutrients to floodplains, lakes, wetlands, and coastal marine environments. Here, we quantify the global impact of dams on the riverine fluxes and speciation of the limiting nutrient phosphorus (P), using a mechanistic modeling approach that accounts for the in

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Green, D. M., and C. T. Whittemore. "Description and validation of a harmonised model of the growing pig for the optimisation of the utilisation and excretion of nutrients." Proceedings of the British Society of Animal Science 2002 (2002): 26. http://dx.doi.org/10.1017/s1752756200006827.

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The proposed model may be considered as an advance upon previous models; giving a synthesis of the contemporary information base and having a structure with maximum flexibility and minimum usage of fixed coefficients. It is distinctive in that it includes: (1) linkage from dietary nutrients to tissue retention via algorithms for main-stream biochemical processes; (2) a unified driver allowing compatible calculation of (i) the nutrient costs of energy and of protein cycling, (ii) the nutrient costs of maintenance and protein retention, and (iii) the interactions between energy and protein usage

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DOUGHMI, Ayoub, Essediya CHERKAOUI, Mohamed KHAMAR, and Abderrahman NOUNAH. "Organic Waste Valorization through Composting as Part of a Circular Economy." Eurasia Proceedings of Science Technology Engineering and Mathematics 29 (December 15, 2024): 210–18. https://doi.org/10.55549/epstem.1566173.

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Organic solid waste management is a significant challenge given environmental and sustainability concerns. Organic waste, including food residues, plant materials, agricultural waste, and other biological components, makes up a large portion of human-generated waste. Effective management of this waste is a priority for governments and businesses to reduce its ecological footprint and exploit its potential. Composting organic waste is an essential practice with numerous benefits for agriculture and the environment, turning waste into nutrient-rich compost that improves soil structure and health

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Sim, Bo-Ram, Hyung-Chul Kim, Chung-Sook Kim, et al. "Seasonal Distributions of Phytoplankton and Environmental Factors Generate Algal Blooms in the Taehwa River, South Korea." Water 12, no. 12 (2020): 3329. http://dx.doi.org/10.3390/w12123329.

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Algal blooms have occurred in the Taehwa River estuary in South Korea despite the improvement of water quality since environmental renewal projects in the 1990s. In this study, we investigated the causes of algal blooms by measuring the water retention time using a floating buoy, water quality parameters, and phytoplankton distribution data from 2012. An algal bloom did not occur in February because of phosphate limitations in the Taehwa River estuary; however, the concentration of nutrients in the water inflow from the basin triggered a significant algal bloom in the upper estuary in the mont

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Kong, Dejie, Chengjie Ren, Gaihe Yang, et al. "Long-Term Wheat-Soybean Rotation and the Effect of Straw Retention on the Soil Nutrition Content and Bacterial Community." Agronomy 12, no. 9 (2022): 2126. http://dx.doi.org/10.3390/agronomy12092126.

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Straw retention and wheat-soybean rotation play critical role in maintaining soil quality. However, the correlation between bacterial diversity and community structure, and soil nutrients is unknown, and a systematic understanding of their responses to straw retention is lacking. In the field experiment, the straw retention treatments included no straw (NS), half straw (HS), and total straw (TS) retention during long-term wheat-soybean rotation. The mean contents of soil total nitrogen (TN), nitrate-N (NO3−-N), and microbial biomass nitrogen (MBN) increased by 15.06%, 21.10%, and 38.23%, respe

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Huang, Cheng, Xiuyun Sun, Lianjun Wang, Paul Storer, Kadambot H. M. Siddique, and Zakaria M. Solaiman. "Nutrients Leaching from Tillage Soil Amended with Wheat Straw Biochar Influenced by Fertiliser Type." Agriculture 11, no. 11 (2021): 1132. http://dx.doi.org/10.3390/agriculture11111132.

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The co-application of biochar and fertiliser has emerged as a strategy for improving soil quality and crop growth; however, the impact of the type of fertiliser added with biochar to the soil on leaching and retention of nutrients is not well studied. In this study, a leaching experiment was undertaken using a series of column lysimeters incorporating a wheat straw biochar (WSB) and two fertiliser types—chemical fertiliser (CF), or rock mineral fertiliser (MF). The results showed that CF and MF leached a similar amount of NH4+ with or without WSB, but the NO3– leaching occurred from CF-treated

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Ramteke, V., P. Preethi, G. L. Veena, and Y. S. Nirala. "Impact of foliar application of primary nutrients on growth and yield contributing traits in cashew (Anacardium occidentale L.)." Journal of Environmental Biology 43, no. 03 (2022): 477–83. http://dx.doi.org/10.22438/jeb/43/3/mrn-1951.

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Aim: To find suitable fertilizer and concentration for foliar application in cashew to improve fruit retention, nut yield and leaf nutrient content in South Chhattisgarh region. Methodology: An on-farm trial were conducted consecutively for three years from 2017-18 to 2019-20 to study the response of cashew trees to foliar application of major nutrients with respect to growth and yield attributes. The fertilizers selected for foliar application were NPK (19-19-19), Urea, NPK (13-0-45) and NPK (12-32-16) at 1 and 2 % along with non-sprayed trees as control. All the treatments were imposed in th

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Ramírez-Silva, Ivonne, Sonia Rodríguez-Ramírez, Sofía Barragán-Vázquez, et al. "Prevalence of inadequate intake of vitamins and minerals in the Mexican population correcting by nutrient retention factors, Ensanut 2016." Salud Pública de México 62, no. 5, sep-oct (2020): 521–31. http://dx.doi.org/10.21149/11096.

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Objective. To estimate the usual intake and the prevalence of inadequacy of selected nutrients in the Mexican population and the potential effect that the nutrient retention factors (NRF) could have on these estimates. Likewise, document the methodology used in the analysis of the 24 hours of the mid-way National Health and Nutrition Survey 2016 (Ensanut MC 2016). Materials and methods. Dietary information from the Ensanut MC 2016 was analyzed with and without the use of NRFs. Results. Most nutrients evaluated showed a relevant inadequacy prevalence above 10% in all age groups. Likewise, we do

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Sundblad, Karin, Andrzej Tonderski, and Jacek Rulewski. "Nitrogen and phosphorus in the Vistula River, Poland -- changes from source to mouth." Water Science and Technology 30, no. 5 (1994): 177–86. http://dx.doi.org/10.2166/wst.1994.0236.

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Nitrogen and phosphorus concentration data representing samples collected once a month for nine months at 13 locations along the Vistula River are considered in a preliminary discussion of the sources of the nutrients transported to the Baltic Sea. Concentrations in relation to flow data indicated substantial differences between subbasins. Based on those differences, on the area-specific nutrient loss for a six-month period and on the wastewater discharge in each subbasin, four regions could be recognized in the river basin: i) the southern region with a large impact of point sources, ii) the

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Chengqing, Yin, and Lan Zhiwen. "The nutrient retention by ecotone wetlands and their modification for Baiyangdian lake restoration." Water Science and Technology 32, no. 3 (1995): 159–67. http://dx.doi.org/10.2166/wst.1995.0137.

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Shallow and eutrophic Baiyangdian Lake is a decaying lake and has broad ecotone wetlands, composed of reed communities and ditches. Experiments were carried out to study the fate of nutrients and organic pollutants during the runoff, flowing from a contaminated river through the ecotone to the lake. Under moderate hydrological conditions, water flows through the ditches and through the root zone soil of the reed community. The retention of total nitrogen (TN) and total phosphorus (TP) by surface flow through a 300-m ditch was measured to be 42% and 65% respective-ly. The retention of TN and TP

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AQUINO, José Nunes de, Tatiana Silva da SILVA, Laura Dias PRESTES, and Daniela Forgiarini da SILVA. "VALORAÇÃO DE SERVIÇOS ECOSSISTÊMICOS DE PURIFICAÇÃO DE ÁGUA: UM ESTUDO COMPARATIVO ENTRE ÁREAS ÚMIDAS E OUTROS SISTEMAS NATURAIS E ANTRÓPICOS NO SUL DO BRASIL." Geosciences = Geociências 42, no. 2 (2023): 221–39. http://dx.doi.org/10.5016/geociencias.v42i2.17786.

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RESUMO. As áreas úmidas são ecossistemas com uma grande capacidade de retenção de nutrientes, oferecendo um serviço ecossistêmico valioso para a melhoria da qualidade da água. Neste sentido, o presente artigo tem por objetivo quantificar este serviço ecossistêmico e o valor econômico associado a ele nos banhados e marismas do Estuário da Lagoa dos Patos, em comparação a outros sistemas ambientais. Para isso, foram utilizados modelos da plataforma InVEST para calcular o escoamento superficial de água, carga, exportação e retenção de nutrientes como nitrogênio total – NTK e fósforo total – PT. A

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Amare, Ermias Misganaw. "Biocha Soil Amendment: Effect on Soil, Crop Performance, and Diseases Resistance." International Journal on Food, Agriculture and Natural Resources 4, no. 4 (2023): 82–87. http://dx.doi.org/10.46676/ij-fanres.v4i4.204.

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One of the main challenges facing developing countries is an ever-increasing gap between population growth and food supply. Diseases, insects, and weeds decrease the production of crops worldwide by 36%. Hence, control of crop pests contributes to increased crop production. Organic amendments to the soil have direct impacts on crop productivity and plant health as it enhances soil fertility, water, and nutrient retention and plant disease defense mechanisms. Biochar is an important organic amendment. It is produced by the pyrolysis process, whereby organic substances are broken down at higher

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van Bakel, Jan. "Impact of the WFD on agriculture in the Netherlands and possible effect-specific hydrological measures: the Dutch approach." Journal of Water and Land Development 10, no. 1 (2006): 45–53. http://dx.doi.org/10.2478/v10025-007-0004-8.

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Impact of the WFD on agriculture in the Netherlands and possible effect-specific hydrological measures: the Dutch approach The European Water Framework Directive can have enormous consequences for agriculture in the Netherlands. In parts of the country agriculture should be taken out of production because the nutrient loads to the surface water system are far too high. This doom scenario is of course undesired and a number of source-specific and effect-specific measures are necessary. The fate of nutrients in the soil is strongly interrelated with its hydrology. Directly, because nutrients are

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