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proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative …
Persistent link: https://www.econbiz.de/10009446323
Getting maximum benefits from cereals do not lie in reducing N-rate and its number of splits but lowering cost per unit cereal production through higher yields. Field experiments were conducted on maize (Zea mays L.) at the New Developmental research Farm of NWFP (Northwest Frontier Province)...
Persistent link: https://www.econbiz.de/10005798601
Farmers are interested in knowing whether applying inputs at variable rates across a field is economically viable. The answer depends on the crop, the input, their prices, the cost of variable rate technology (VRT) versus uninform rate technology (URT), and the spatial and yield response...
Persistent link: https://www.econbiz.de/10005801876
proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative …
Persistent link: https://www.econbiz.de/10008802822
. Optimal nitrogen rates are calculated for two yield response functions: linear response plateau and quadratic. Nonstochastic … are small since optimal nitrogen rates do not differ greatly between stochastic and nonstochastic models. …
Persistent link: https://www.econbiz.de/10008922446
Persistent link: https://www.econbiz.de/10009020428
The financial implications of manipulating nitrogen (N) inputs and management strategies for beef production systems …
Persistent link: https://www.econbiz.de/10005061230
Agricultural activities have been identified as major contributors to the non-point pollution of the Chesapeake Bay. Low-input agricultural practices are being considered to reduce pollution in areas adjoining the Chesapeake Bay. A multiperiod mathematical programming model was used to examine...
Persistent link: https://www.econbiz.de/10009368649
Targeting has become the buzz word in the national agri-environmental policy reform in Finland. It is generally accepted that more environmental benefits could be reaped by implementing environmental protection measures where they have the biggest positive impact. However, considering one of the...
Persistent link: https://www.econbiz.de/10009201391
Policymakers are concerned about nitrogen and phosphorus export to water bodies. Exports may be reduced by paying … evaluate the cost-effectiveness of practice and performance incentives for reducing nitrogen exports. Performance incentives …
Persistent link: https://www.econbiz.de/10010879383