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共检索到10条 ,权限内显示50条;
The Ukraine Conflict and Other Factors Contributing to High Commodity Prices and Food Insecurity
- 关键词：
- 年份：
- 2022
- 摘要：
- on exports of nitrogen fertilizers and complex nitrogen-conta ...
Impacts and Repercussions of Price Increases on the Global Fertilizer Market
- 关键词：
- 年份：
- 2022
- 摘要：
- nitrogen fertilizers by 231 thousand tons to 5.7 million tons, and exp ...
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：
- nitrogen
- 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 ...
Impact of Rising Natural Gas Prices on U.S. Ammonia Supply
- 关键词：
- nitrogen fertilizers
- 年份：
- 2007
- 摘要：
- The volatile and upward trend in U.S. natural gas prices from 2000-06 has led to ...
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. ...
Benefits of Safer Drinking Water: The Value of Nitrate Reduction
- 年份：
- 1997
- 摘要：
- Nitrates in drinking water, which may come from nitrogen fertilizers ap ...
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