摘要
研究了施用钾肥对油菜产量和经济效益的影响。结果表明:K2O施用量为180 kg/hm2时,油菜产量、产值和产投比均最高。最佳K2O施用量为180 kg/hm2。
The effect of potassium (K) fertilizer on hybrid rape yield and economic efficient were researched. The results showed that increase effect of using K fertilizer was significant. The optimum rate of K20 for rape was 180 kg/hm^2.
出处
《河北农业科学》
2008年第2期76-77,共2页
Journal of Hebei Agricultural Sciences
关键词
油菜
产量
钾肥效应
Rape
Yield
Effects of potassium fertilizer