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共检索到34条 ,权限内显示50条;
                                    Agricultural Resources and Environmental Indicators, 1996-97
- 年份:
 - 1997
 
- 摘要:
 - the complex connections among farming practices, conservation, and the environm ...
 
                                    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:
 - the complex connections among farming practices, conservation, and the environm ...
 
                                    Agricultural-Food Policy Review: Commodity Program Perspectives
- 关键词:
 - farm policy
 
- 年份:
 - 1985
 
- 摘要:
 - This review prepared for 1985 farm legislation provides an historical overview o ...
 
                                    Possible Economic Consequences of Reverting to Permanent Legislation or Eliminating Price and Income Supports
- 关键词:
 - farm policy
 
- 年份:
 - 1985
 
- 摘要:
 - If the agricultural legislation expiring in 1985 is not replaced, farm price and ...
 
            


