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Studies on the Influence and Countermeasures of Drought and Occurrence Rule in Wheat Sowing Time in Huaibei Area
戚尚恩 张学贤 孙义 李德 李秦 王敏
Chinese Agricultural Science Bulletin . 2012, (21): 46 -53 .  DOI: 10.11924/j.issn.1000-6850.2011-3646