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The quantification of point and non-point losses of Nitrogen (N) and Phosphorus (P) to surface waters is currently a …
Persistent link: https://www.econbiz.de/10010997939
planned in a spatially cost-effective manner and if the consequent reductions of nitrogen and phosphorus, the two nutrients …
Persistent link: https://www.econbiz.de/10010913340
nutrient applications deteriorate groundwater (nitrogen) and surface water quality (nitrogen and/or phosphorus). Due to … amounts of nitrogen and phosphorus loading due to changes in nutrient application and uptake; and due to changes in … differences in environmental and economic characteristics, adjacent regions may have differing objectives for nitrogen and …
Persistent link: https://www.econbiz.de/10010915934
more efficient under larger reductions. Phosphorus reductions at the subwatershed level vary but provide information about …
Persistent link: https://www.econbiz.de/10010918074
productivity and profitability is to be maintained and increased. Legacy stores of nitrogen (N) and phosphorus (P) in catchments …
Persistent link: https://www.econbiz.de/10010945646
Persistent link: https://www.econbiz.de/10011274279
impacts on nutrient fluxes (nitrogen and phosphorus) and land use as the result of a change from a meat based diet to a … reference situation. Total emissions of nitrogen and phosphorus into water decrease (between 15% and 11% for nitrogen and by 5 …% to 6% for phosphorus) and nitrogen concentrations in groundwater change substantially depending on the intensity of …
Persistent link: https://www.econbiz.de/10011263193
The biophysical simulation data from Cornell Net Carbohydrate and Protein System were used in non-linear programming model for least cost ration incorporating ingredient nutrient and price variations. Precision feeding practice indicated to have lower mean cost ration than whole herd feeding in...
Persistent link: https://www.econbiz.de/10005330839
Persistent link: https://www.econbiz.de/10009327728
for reducing the nitrogen and phosphorus loadings to rivers by improving the efficiency of wastewater treatments plants … high non-linearity and significant scale effects. Wastewater treatment costs are increasing with technology efficiency … plant capacity. Combining treatment and collection costs with treatment efficiency allows estimation of costs and potentials …
Persistent link: https://www.econbiz.de/10010551119