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共检索到31条 ,权限内显示50条;
Trends and Developments in Hog Manure Management: 1998-2009
- 年份：
- 2011
- 摘要：
- In the past decade, hog production has increasingly become consolidated, with la ...
Carbon Prices and the Adoption of Methane Digesters on Dairy and Hog Farms
- 关键词：
- manure
- 年份：
- 2011
- 摘要：
- Biogas recovery systems collect methane from manure and burn it to gene ...
Climate Change Policy and the Adoption of Methane Digesters on Livestock Operations
- 关键词：
- manure
- 年份：
- 2011
- 摘要：
- Methane digesters-biogas recovery systems that use methane from manure ...
Research Investments and Market Structure in the Food Processing, Agricultural Input, and Biofuel Industries Worldwide
- 关键词：
- fertilizers
- 年份：
- 2011
- 摘要：
- Meeting growing global demand for food, fiber, and biofuel requires robust inves ...
Nitrogen in Agricultural Systems: Implications for Conservation Policy
- 关键词：
- fertilizer
- 年份：
- 2011
- 摘要：
- Nitrogen is an important agricultural input that is critical for crop production ...
Research Investments and Market Structure in the Food Processing, Agricultural Input, and Biofuel Industries Worldwide: Executive Summary
- 关键词：
- fertilizers
- 年份：
- 2011
- 摘要：
- Meeting growing global demand for food, fiber, and biofuel requires robust inves ...
The Role of Agriculture in Reducing Greenhouse Gas Emissions
- 关键词：
- agricultural economics climate change conservation greenhouse gas emissions carbon land methane mitigation agricultural practices
- 年份：
- 2010
- 摘要：
- the amount of nitrogen fertilizer applied to crops, changing livestock ...
Factors Contributing to the Recent Increase in U.S. Fertilizer Prices, 2002-08
- 关键词：
- Fertilizer
- 年份：
- 2009
- 摘要：
- prices in late 2008. The prospect for strong fertilizer demand in earl ...
Changes in Manure Management in the Hog Sector: 1998-2004
- 关键词：
- hog production manure management structural change scale of production contracts environmental regulation Agricultural Resource Management Survey (ARMS)
- 年份：
- 2009
- 摘要：
- manure management practices. Also, changes to the Clean Water Act, Sta ...
Fruit and Tree Nuts Outlook: June 2009
- 关键词：
- fertilizer
- 年份：
- 2009
- 摘要：
- was the largest cash expense for fruit and tree nut farms, followed by fert ...
