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Article: Understanding the nutrient management process. (Nutrient Management)
- Article from:
- Journal of Soil and Water Conservation
- Article date:
- March 1, 1994
- Author:
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Copyright informationCOPYRIGHT 1994 Soil & Water Conservation Society. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Traditionally, nutrient management has attempted to optimize the economic return from nutrients used to produce a crop. The main emphasis was on the expected crop response to added nutrients. In practice however, manure has not always been applied to optimize plant nutrient use. Under contemporary circumstances manure may be applied so that nutrients are in excess of plant needs, so that the nutrients are not available for crop growth at the optimum time, or so that they are released into the air or water. These nutrient losses have prompted concerns about the impact of existing nutrient management on environmental quality. Leaching of excess nitrogen through the soil can ...
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