- 已选条件:
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× agricultural economics
作者:Marc Ribaudo , LeRoy Hansen, Daniel Hellerstein, Catherine Greene
发布日期:2008
关键词:agricultural economics;environmental stewardship;...
发布机构:United States Department of Agriculture
作者:Elizabeth Marshall;Margriet Caswell , Scott Malcolm;Mesbah Motamed;等
发布日期:2011
关键词:Renewable fuels;feedstocks;...
发布机构:United States Department of Agriculture
作者:Albert Reed , Howard Elitzak, Michael K. Wohlgenant
发布日期:2002
关键词:Retail-farm price margins;marketing services;...
发布机构:United States Department of Agriculture
作者:Michael Livingston andCraig Osteen
发布日期:2008
关键词:agricultural economics;invasive species;...
发布机构:United States Department of Agriculture
作者:Steve Martinez andKelly Zering
发布日期:1997
关键词:agricultural economics;vertical coordination;...
发布机构:United States Department of Agriculture
作者:Nigel Key, Michael J. Roberts
发布日期:2007
关键词:agricultural economics;farm commodity payments;...
发布机构:United States Department of Agriculture