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共检索到45条 ,权限内显示50条;
ERS Bioenergy Information and Research, August 2007
- 年份：
- 2007
- 摘要：
- ERS has a broad range of research on how agricultural markets and natural re ...
Agricultural Resources and Environmental Indicators, 2006 Edition
- 关键词：
- natural resources
- 年份：
- 2006
- 摘要：
- These chapters describe trends in resources used in and affected by agr ...
Crop Genetic Resources: An Economic Appraisal
- 关键词：
- germplasm
- 年份：
- 2005
- 摘要：
- for genetic resource conservation may fall short of achieving public o ...
Agricultural Resources and Environmental Indicators, 2003
- 关键词：
- natural resources
- 年份：
- 2003
- 摘要：
- , and the government of meeting conservation and environmental goals. The report ...
Regional Trends in Extension System Resources
- 关键词：
- cooperative extension service full time equivalent FTE agricultural productivity Smith-Lever Act of 1914 research and development land-grant universities
- 年份：
- 2003
- 摘要：
- s, with the largest declines found in community resource development an ...
Natural Resources, Agricultural Productivity, and Food Security
- 关键词：
- Natural resources
- 年份：
- 2001
- 摘要：
- This issue brief describes ERS research on international differences in the qual ...
Agricultural Research and Development, Agricultural Productivity, and Food Security
- 关键词：
- natural resources
- 年份：
- 2001
- 摘要：
- This Food Security briefing paper describes ERS research on sustained growth in ...
Biotechnology and Food Security
- 关键词：
- natural resources
- 年份：
- 2001
- 摘要：
- This Food Security briefing paper describes ERS research on biotechnology in imp ...
Issues in Food Security
- 关键词：
- Natural resources
- 年份：
- 2001
- 摘要：
- is affected by issues like trade liberalization, income distribution, and n ...
Production Practices for Major Crops in U.S. Agriculture, 1990-97
- 年份：
- 2000
- 摘要：
- and natural resources. Partly as a response to these concerns, the U.S ...
