稻田化学除草基本上可以解决草害问题,近年来国内很多省、区已大面积示范推广,但对化学除草后是否需要中耕?不中耕是否减产?中耕是否能增产?各地试验结果还不一致。国外报道稻田化除不中耕多数不减产,日本稻田已全部施用除草剂,免除了中耕作业。湖南、云南、广东、四川等省试验一般均为增产或平产;江苏农学院试验化 Chemical weeding in paddy field can basically solve the problem of grass damage. In recent years, many provinces and districts in China have demonstrated and popularized large areas, but do they need to be cultivated after chemical weeding? Does it reduce output? Whether or not cultivation can increase production? Test results are inconsistent across the country. Foreign reports that the majority of paddy field except not cultivating no reduction in production, the Japanese rice paddies have been the full application of herbicides, eliminating the cultivation operations. Hunan, Yunnan, Guangdong, Sichuan and other provinces are generally test increase or flat production; Jiangsu Agricultural College trial