作者:Ron Sands;Paul Westcott , Michael Price , Jayson Beckman;Ephraim Leibtag;等
发布日期:2011
关键词:Impacts;Higher;...
发布机构:United States Department of Agriculture
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作者:Hodan Farah Wells andJean C. Buzby
发布日期:2008
关键词:Agriculture;added fats and oils;...
发布机构:United States Department of Agriculture
作者:Keith Fuglie, James M. MacDonald, Eldon Ball
发布日期:2007
关键词:Agriculture;productivity;...
发布机构:United States Department of Agriculture
作者:Keith Fuglie, Paul Heisey
发布日期:2007
关键词:Agriculture;productivity;...
发布机构:United States Department of Agriculture
作者:William McBride, Nigel Key
发布日期:2007
关键词:Agriculture;swine;...
发布机构:United States Department of Agriculture
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作者:Jean C. Buzby, Hodan Farah Wells , and Gary Vocke
发布日期:2006
关键词:Agriculture;dairy;...
发布机构:United States Department of Agriculture