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Analysis of winter wheat yield constitution factor in east of Gansu province
Zhang Moucao,, Zhao Manlai, Jin Zhengping, Huang Bin, Wang Ningzhen, Ma Changqing
Chinese Agricultural Science Bulletin . 2008, (12): 469 -472 .  DOI: 10.11924/j.issn.1000-6850.2008-0649