施用钾肥对油菜产量和经济效益的影响  

Effect of Potassium Fertilizer on the Yield and Economic Efficiency of Rape

作　　者：程生龙[1] 

机构地区：[1]池州市贵池区农业技术推广中心,安徽池州247100

出　　处：《河北农业科学》2008年第5期54-54,56,共2页Journal of Hebei Agricultural Sciences

基　　金：农业部测土配方施肥试点补贴资金资助

摘　　要：根据前期肥料试验,进行了在油菜上施用钾肥的应用示范。结果表明:油菜施肥用量为N 120 kg/hm2、P2O569 kg/hm2和K2O 90 kg/hm2时,油菜平均增产可达22.7%以上,平均净增纯收益可达1 113.2元/hm2。According to the previous fertilizer trial, formula fertilization by soil testing on rape was conducted. The result showed that when the fertilization of N, P2O5 and K2O was 120, 69 and 90 kg/hm^2, the average yield increase was up to 22. 7% , the average net benefit reached 1 113.2 yuan/hm^2.

关 键 词：钾肥 测土配方推荐施肥 油菜 产量 经济效益 

分 类 号：S634.3[农业科学—蔬菜学]