Экономика » Экономика отраслевых рынков » Аграрная экономика » Рынки факторов производства для сельского хозяйства
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Диссертации
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Improving Nitrogen Management in Corn- Wheat-Soybean Rotations Using Site Specific
Management in Eastern Virginia [диссертация]
Опубликовано на портале: 05-04-2005
Wei Peng
Организация: College of Agriculture and Life Sciences
2001
Nitrogen (N) is a key nutrient input to crops and one of the major pollutants to the environment from agriculture in the United States. Recent developments in site-specific management (SSM) technology have the potential to reduce both N overapplication and underapplication and increase farmers' net returns. In Virginia, due to the high variability of within-field yield-limiting factors such as soil physical properties and fertility, the adoption of SSM is hindered by high grid?sampling cost. Many Virginia corn-wheat-soybean farms have practiced generating yield maps using yield monitors
