鄂州市油菜施用氮磷钾肥效果研究

Study on the Application Effects of N,P and K Fertilizers on Rapeseed in Ezhou

通过进行"3414"肥效试验,研究氮、磷、钾肥施用量对油菜产量和经济效益的影响。结果表明:合理施用氮、磷、钾肥可显著增加产量和提高经济效益。施用氮肥最高增产2151 kg/hm2,增产率为250.0%,纯增收入6721元/hm2;施用磷肥最高增产2041 kg/hm2,增产率为309.1%,纯增收入6832元/hm2;施用钾肥最高增产1181 kg/hm2,增产率为78.7%,纯增收入3093元/hm2。

The effects of N,P and K fertilizers application on the yield and economic benefit of rapeseed were studied by＇3414＇fertilizer experiment.The results showed that the yield and economic benefit could be increased significantly by the rational application of N,P and K fertilizers.The highest increments were 2 151 kg/hm^2,2 041 kg/hm^2 and 1 181 kg/hm^2,respectively,the increasing rates were 250.0%,309.1% and 78.7%,respectively,and the net income increased by 6 721 yuan/hm^2,6 832 yuan/hm^2 and 3 093 yuan/hm^2,respectively by applying N,P and K fertilizers.