
The Evaluation on Contribution Rate of Grain-production Elements in Different Regions of China
ZHANG Ling-Yan, Tang-Yan
Areal Research and Development ›› 2014, Vol. 33 ›› Issue (6) : 137-140,146.
The Evaluation on Contribution Rate of Grain-production Elements in Different Regions of China
grain production / production factor / contribution rate / China {{custom_keyword}} /
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