稻草还田条件下不同施钾水平的试验初报

The Exeperiment of Different k Levels under the Condition of Straw Returning

通过田间简比试验,研究稻草还田条件下不同施钾水平对水稻产量和效益的影响,结果表明合理施用钾肥,施用K2O 3~9 kg/667m2可以达到节本增效的作用,增施钾肥有利于水稻增产,增产率达8.2%~12.3%,以施K2O6 kg/667m2产量最高,经济效益最好。

Through the field comparative test, this study uses different level of k application under the condition of straw counters-field effects on rice yield and benefit. The result shows that reasonable apply potash fertilizer K2 O 3~9 kg/667m2 can achieve cost-savings synergistic effect, increasing potassium fertilizer application is helpful for rice production, increase production rate was 8.2%~12.3%, with 6 kg / 667 m2 K2 O production is highest, the best economic benefits.