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不同施氮量对沙地春小麦株穗性状及产量的影响
崔建垣, 张铜会
Influence of Different Amount of Nitrogen on the Yield and Ear Characters of Spring Wheat
CUI Jian-yuan, ZHANG Tong-hui
中国沙漠 . 1999, (s1): 96 -98 .