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共检索到7条 ,权限内显示50条;
Agricultural Resources and Environmental Indicators, 2019
- 关键词：
- nutrient management
- 年份：
- 2019
- 摘要：
- Agricultural Resources and Environmental Indicators, 2019, describes trends in e ...
Conservation-Practice Adoption Rates Vary Widely by Crop and Region
- 关键词：
- nutrient management
- 年份：
- 2015
- 摘要：
- This research analyzes national and regional adoption of no-till and strip-till ...
Nitrogen in Agricultural Systems: Implications for Conservation Policy
- 关键词：
- Reactive nitrogen nitrogen management fertilizer water quality greenhouse gas economic incentives conservation policy regulation
- 年份：
- 2011
- 摘要：
- and assesses changes in nutrient management by farmers that may improv ...
Environmental Compliance in U.S. Agricultural Policy: Past Performance and Future Potential
- 关键词：
- nutrient management
- 年份：
- 2004
- 摘要：
- Since 1985, U.S. agricultural producers have been required to practice soil cons ...
Soil, Nutrient, and Water Management Systems Used in U.S. Corn Production
- 关键词：
- nutrient management
- 年份：
- 2002
- 摘要：
- Corn production uses over 25 percent of the Nation's cropland and more than 40 p ...
Production Practices for Major Crops in U.S. Agriculture, 1990-97
- 关键词：
- nutrient management
- 年份：
- 2000
- 摘要：
- This report presents information on nutrient and pest management practices, crop ...
Green Technologies for a More Sustainable Agriculture
- 关键词：
- Sustainable agriculture natural capital nonrenewable resources renewable resources environmental services green technology integrated pest management conservation tillage enhanced nutrient management precision agriculture
- 年份：
- 1999
- 摘要：
- , integrated pest management, enhanced nutrient management, and precisi ...
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