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technology is incorporated, and empirically calibrated simulation results are presented for the case of reduced-phosphorus dairy …
Persistent link: https://www.econbiz.de/10005525442
Alternative manure application rates represent an integral part of current nutrient management efforts on animal feeding operations (AFOs). Previous studies have indicated that lower manure application rates tend to increase farm production costs. In this study, the Comprehensive Economic and...
Persistent link: https://www.econbiz.de/10005483397
Requiring that crop applications of manure be based on phosphorus content (P-standard) could increase poultry litter …
Persistent link: https://www.econbiz.de/10005469230
This paper reports on the successful deposition of phosphorus (P)-doped n-type (p-C:P) carbon (C) films, and …
Persistent link: https://www.econbiz.de/10004970137
regulation systems aimed at reducing nitrogen leaching, analyses of measures for reducing phosphorus losses and estimation of … regulation when compared with administrative regulation and set a side. For phosphorus a balance between incoming and outgoing … phosphorus is very costly as this requires that much slurry is transported from the western to the eastern part of Denmark. The …
Persistent link: https://www.econbiz.de/10004979653
nitrogen, phosphorus, and sediment necessary to reverse declines in the Bay’s quality and associated biological resources …
Persistent link: https://www.econbiz.de/10011098008
impacts on nutrient fluxes (nitrogen and phosphorus) and land use as the result of a change from a meat based diet to a … consumption (20% to 25% less phosphorus) and lower transfer of nutrients from agriculture into the environment compared to the … reference situation. Total emissions of nitrogen and phosphorus into water decrease (between 15% and 11% for nitrogen and by 5 …
Persistent link: https://www.econbiz.de/10011263193
provided. It is shown that the highest content of nitrogen, phosphorus and potassium application has been provided with the …
Persistent link: https://www.econbiz.de/10011086544
A 3 year (2009–2011) study found a mean N balance of 166 kg N/ha, P balance of 4.93 kg P/ha, N use efficiency of 0.24, P use efficiency of 0.71, and net profit of €598/ha on 19 Irish dairy farms. The increase in mean net profit with mean milk receipts and the decrease with mean...
Persistent link: https://www.econbiz.de/10011115977
drain discharge as well as on nitrogen (N) and phosphorus (P) loads in drainage water. Tile discharge and nutrient …
Persistent link: https://www.econbiz.de/10011116743