Role on imported fertilizer inputs in U.S. agriculture
1990
Vocke, G.
AGROVOC关键词
书目信息
WAS - Department of Agriculture. Economic Research Service (EUA)
期
60
页码
p. 9-14
其它主题
relaciones comerc internacionales; fertilizantes; nitrogeno; costos de produccion; estados unidos de ame
语言
英语
类型
summary
来源
World agriculture: situation and outlook report, Department of Agriculture, Washington, D.C. (EUA). Economic Research Service.- Washington, D.C. (EUA), 1990.- p. 9-14
2012-03-15
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