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

modified water cost and construction of reservoirs. To maintain groundwater resources, raising cost of pumped water by a buffer …

Agricultural nitrogen is a major contributor to Gulf of Mexico hypoxia, and research has shown that agricultural … subsurface tile drainage is a major carrier of nitrogen from croplands to streams and rivers. This study compares the results of … abating nitrogen under a retired-land minimization policy with those of a new revenue-maximizing policy, paying particular …

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

benefits through a reduction in losses due to cold and an increase in yield from the better use of nitrogen by the cold …

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