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共检索到49条 ,权限内显示50条;
Genetically Engineered Crops in the United States
- 关键词：
- Genetically engineered crops agricultural biotechnology seed industry research and development adoption crop yields pesticide use corn soybeans cotton
- 年份：
- 2014
- 摘要：
- Genetically engineered (GE) crops (mainly corn, cotton, and soybeans) were plant ...
Beginning Farmers and Ranchers at a Glance
- 关键词：
- farmland
- 年份：
- 2013
- 摘要：
- Beginning farmers and ranchers have some unique characteristics, including more ...
Agricultural Resources and Environmental Indicators, 2012
- 关键词：
- land use
- 年份：
- 2012
- 摘要：
- Agricultural Resources and Environmental Indicators, 2012, describes trends in e ...
Agricultural Adaptation to a Changing Climate: Economic and Environmental Implications Vary by U.S. Region
- 关键词：
- Climate change adaptation water resources agricultural pests Regional Environment and Agriculture Programming (REAP) model regional crop mix regional environmental effects drought tolerance pest management
- 年份：
- 2012
- 摘要：
- . Adaptive redistribution of production, however, may have significant implicati ...
The Ethanol Decade: An Expansion of U.S. Corn Production, 2000-09
- 关键词：
- land use
- 年份：
- 2011
- 摘要：
- The recent 9-billion-gallon increase in corn-based ethanol production, which res ...
Major Uses of Land in the United States, 2007
- 关键词：
- Land use
- 年份：
- 2011
- 摘要：
- ). This report presents findings from the most recent (2007) inventory of U.S. m ...
Measuring the Indirect Land-Use Change Associated With Increased Biofuel Feedstock Production: A Review of Modeling Efforts: Report to Congress
- 关键词：
- land use
- 年份：
- 2011
- 摘要：
- of land-use changes for renewable fuels and feedstocks used to produce ...
The Changing Organization of U.S. Farming
- 关键词：
- land use
- 年份：
- 2011
- 摘要：
- Innovations in farm organization, business arrangements, and production practice ...
Economics of Markets for Agricultural Greenhouse Gases, Fiscal 2010: Competitive Grants and Cooperative Agreements Program: Description and Application Process
- 关键词：
- Agricultural economics carbon markets greenhouse gas markets carbon offsets agricultural markets for ecosystem services behavioral economics
- 年份：
- 2010
- 摘要：
- agricultural land use, that increase carbon sequestration or reduce gr ...
Economic Measures of Soil Conservation Benefits: Regional Values for Policy Assessment
- 关键词：
- soil erosion
- 年份：
- 2008
- 摘要：
- This report describes data and methodologies that the Economic Research Service ...
