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Conservation-Practice Adoption Rates Vary Widely by Crop and Region
关键词:
nitrogen
年份:
2015
摘要:
This research analyzes national and regional adoption of no-till and strip-till ...
An Economic Assessment of Policy Options To Reduce Agricultural Pollutants in the Chesapeake Bay
关键词:
phosphorus
年份:
2014
摘要:
In 2010, a Total Maximum Daily Load (TMDL) was established for the Chesapeake Ba ...
Nitrogen Management on U.S. Corn Acres, 2001-10
关键词:
nitrogen
年份:
2012
摘要:
Nitrogen is a critical input in agriculture, enabling farmers to produc ...
Factors Contributing to the Recent Increase in U.S. Fertilizer Prices, 2002-08
关键词:
phosphate
年份:
2009
摘要:
of a number of domestic and global long- and shortrun supply and demand factors ...
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 ...
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 ...
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. ...

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