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Managing Manure to Improve Air and Water Quality
关键词:
nitrogen
年份:
2005
摘要:
Animal waste from confined animal feeding operations is a potential source of ai ...
Technical Documentation of the Regional Manure Management Model for the Chesapeake Bay Watershed
关键词:
nitrogen
年份:
2005
摘要:
As part of a broader ERS assessment of the costs of manure management, a regiona ...
Manure Management for Water Quality: Costs to Animal Feeding Operations of Applying Manure Nutrients to Land
关键词:
nitrogen
年份:
2003
摘要:
Nutrients from livestock and poultry manure are key sources of water pollution. ...
The Soybean Processing Decision
关键词:
Real option option exercise processing decision processing margins futures prices
年份:
2001
摘要:
ly available processing margin for a future date. The approach captures ...
Benefits of Safer Drinking Water: The Value of Nitrate Reduction
关键词:
Water quality drinking water nitrates benefits contingent valuation
年份:
1997
摘要:
Nitrates in drinking water, which may come from nitrogen fertilizers ap ...

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