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中文
Temporal Spatial Variation of per Unit Area Grain Yield and Its Causes in Sichuan Province
赵永敢 李玉义 逄焕成 王龙昌 任天志
Chinese Agricultural Science Bulletin . 2010, (
23
): 370 -374 . DOI: 10.11924/j.issn.1000-6850.2010-1914
