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jia fei dui za jiao dao li you 57 chan liang xiao ying de yan jiu chu bao
Author(s): 
Pages: 13-17+32
Year: Issue:  3
Journal: Reclaiming and Rice Cultivation

Keyword:  产量效应杂交稻施钾肥氮水平增产效果标准拉丁方产量结构氯化钾尿素研究分析;
Abstract: <正> 本试验用6×6标准拉丁方,研究分析了钾肥对高产品种黎优57杂交稻的产量效应。结果是钾肥能改善产量结构,其增产效果极显著,而且,高氮水平比低氮水平对钾肥的要求更强烈。水稻生产是否需要施钾肥,我省早在
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