Have grain crop yields in Ontario reached a plateau?

被引：0
|
作者：
Fox, G [1 ]
Rickard, B [1 ]
机构：
[1] Univ Guelph, Guelph, ON N1G 2W1, Canada
来源：
AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS | 1997年 / 79卷 / 05期
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D O I：
暂无
中图分类号：
F3 [农业经济];
学科分类号：
0202 ; 020205 ; 1203 ;
摘要：
引用
收藏
页码：1714 / 1714
页数：1
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