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有一施肥试验,N素4个水平,P、K肥料均为施肥和不施肥两个水平采用正交表为L84×24的正交设计小区面积20m2,重复3次,随机区组排列,试验结果如下。试作分析。列号各区组产量(kg/区)处理125ⅠⅡⅢ11113.63.93.210.721225.14.85.11532125.65.35.616.542215.966.718.653126.46.5719.963217.47.17.321.874117.57.77.82384228.18.48.625.149.649.751.3150.6K125.770.174.1K235.180.576.5K341.7K448.1945.015变异来源dfSSMSFF0.05区组20.22750.11375N345.8183333315.27277778180.67611423.238871522P14.5066666674.50666666753.313616763.633723468K10.240.242.839186691误差161.35250.08453125总2352.145se0.118695163234ssr0.05ssr0.01LSR0.05LSR0.010.050.01N48.016666667N36.95N25.85