Compared with check plots, organic matter, readily available N, total N, total P ard total K increased by 0.36%,16. 2mg/kg,0.023%,0.006% and 0.343% respectively, while green smut (rice) decreased by 66.7% .

• 化肥减少用量30.；04%25；促进了土壤肥力提高；有机质、碱解氮、全N、全P、全K等营养元素；分别比对照区提高0