作者:Archer, Nicole;Rawlins, Barry;Grebby, Stephen;等
发布日期:2015
发布机构:British Geological Survey
作者:Paul Westcott andJames Hansen
发布日期:2015
关键词:Projections;crops;...
发布机构:United States Department of Agriculture
作者:Birgit Meade, Stacey Rosen , and John Beghin
发布日期:2015
关键词:International food security;PIGLOG demand;...
发布机构:United States Department of Agriculture
作者:John Cromartie, Christiane von Reichert , and Ryan Arthun
发布日期:2015
关键词:migration;return migration;...
发布机构:United States Department of Agriculture
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作者:Michael McConnell, Stephanie Riche
发布日期:2015
关键词:Sugar;sugarcane;...
发布机构:United States Department of Agriculture
作者:Agnes Perez, Kristy Plattner
发布日期:2015
关键词:Fruit;tree nuts;...
发布机构:United States Department of Agriculture