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不同土壤肥力水平下钙对水稻专用肥增产效应的影响
孙义祥 袁嫚嫚 邬刚
The Impact of Calcium on Yield Increase of Special Fertilizer on Rice Under Different Soil Fertility Levels
中国农学通报 . 2014, (9): 77 -81 .  DOI: 10.11924/j.issn.1000-6850.2013-1872