作者:Womach, Jasper
发布日期:2004
关键词:Agriculture;Agricultural price supports;...
发布机构:Library of Congress. Congressional Research Service.
作者:Apte, Michael G.;Gundel, Lara A.;Dod, Raymond L.;等
发布日期:2004
关键词:Research Programs;Nicotine;...
发布机构:Lawrence Berkeley National Laboratory
作者:Womach, Jasper
发布日期:2004
关键词:Agriculture;Tobacco;...
发布机构:Library of Congress. Congressional Research Service.
4 Trends in U.S. Tobacco Farming [科技报告]
作者:Thomas Capehart
发布日期:2004
关键词:Tobacco;farm characteristics;...
发布机构:United States Department of Agriculture