潮沙泥田氮磷钾肥配施对油菜产量及经济性状的影响  

Effects of Different Combination Ratio of N,P and K on Yield and Economic Characters of Youyan 9,a Rape Variety

作　　者：石金芝 

机构地区：[1]贵州省松桃苗族自治县农业局土肥站,贵州松桃554100

出　　处：《贵州农业科学》2009年第10期44-47,共4页Guizhou Agricultural Sciences

基　　金：农业部测土配方施肥项目

摘　　要：试验采用"3414+1"肥效试验方案,建立的回归方程为y=40.93+7.89x1+4.75x2+2.38x3+0.05x1x2+0.10x1x3+0.04x2x3-0.31x21-0.31x22-0.15x23,从而导出了潮沙泥田种植油研9号的最佳施肥量为667 m2施尿素30.0 kg、普钙51.3 kg、氯化钾17.3 kg,可获产量140.5 kg/667m2。在667 m2施用有机肥2 500 kg的条件下,每100 kg有机肥油菜可增产1.53 kg/667m2,增产率为3.69%,增产效果显著。The regression equation y = 40.93 ＋ 7.89x1 ＋ 4. 75x2 ＋ 2.38x3 ＋ 0.05x1x2＋ 0. 10x1x3 ＋ 0.04x2x3-0.31x^21-0.31x^22-0.15x^23 was established for raising yield of Youyan 9, a rape variety by using the ＂3414＋1＂design. The results showed that the optimum application amount of N, P and K fertilizer for 140.5 kg/667m^2 was urea 30.0 kg/667m^2, calcium superphosphate 51.3 kg/667m^2 and potassium chloride 17.3 kg/667m^2 , and every 100 kg of organic manure can increase by 1.53 kg/667m^2 of rapeseed yield under applying 2 500 kg/667m^2 of organic manure and its increment rate is 3.69%.

关 键 词：油研9号 氮磷钾肥 最佳施肥量 产量 经济性状 

分 类 号：S565.4[农业科学—作物学]