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共检索到37条 ,权限内显示50条;
Adoption of Agricultural Production Practices: Lessons Learned from the U.S. Department of Agriculture Area Studies Project
- 年份：
- 2001
- 摘要：
- The U.S. Department of Agriculture Area Studies Project was designed to characte ...
Characteristics and Production Costs of U.S. Cow-Calf Operations
- 关键词：
- production practices
- 年份：
- 2001
- 摘要：
- Differences in regional conditions were the chief influence on variations in cow ...
Production Practices for Major Crops in U.S. Agriculture, 1990-97
- 年份：
- 2000
- 摘要：
- r agricultural production practices in 1964. In 1990, through the Presi ...
Characteristics of U.S. Wheat Farming: A Snapshot
- 关键词：
- production practices
- 年份：
- 2000
- 摘要：
- Wheat growers' choice of production practices and geographic location w ...
Economics of Water Quality Protection From Nonpoint Sources: Theory and Practice
- 年份：
- 1999
- 摘要：
- nonpoint pollution reduction policies can be designed to induce producers to ch ...
Agricultural Resources and Environmental Indicators, 1996-97
- 年份：
- 1997
- 摘要：
- ; and links use and quality to technological change, production practices...
Agricultural Resources and Environmental Indicators, 1994
- 关键词：
- land water production inputs cropping practices technology conservation and environmental programs
- 年份：
- 1994
- 摘要：
- to technological change, production practices, and farm programs.
