planned in a spatially cost-effective manner and if the consequent reductions of nitrogen and phosphorus, the two nutrients …

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 …

more efficient under larger reductions. Phosphorus reductions at the subwatershed level vary but provide information about …

nitrogen, phosphorus, and sediment necessary to reverse declines in the Bay’s quality and associated biological resources …

proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative …

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 …

Agriculture is the main source of nitrogen loading (EEA, 2012) and is the sector with the largest remaining emission … reduction potential (Sutton et al., 2011). Furthermore, surpluses of nitrogen are forecast to grow in the next decade (FAO, 2008 …). The objective of this study is to evaluate the determinants of the use of nitrogen inputs in agriculture, and the effects …

production efficiency with regard to nitrogen and greenhouse gas (kg production per unit of emissions). Where differences in …