几种除草剂对直播稻土壤封闭效果的研究

Study of the Herbicides on Closed Soil on Direct Seeding Rice

为了寻找对直播稻安全,除草效果好的除草剂,在直播稻田选择几种除草剂进行土壤封闭方面研究,结果表明:隆苗和速除对水稻出苗相对安全,隆苗对水稻分蘖影响较少;直播净对扁杆骠草和阔叶草防除效果较好;速除和新野对阔叶草防除效果较好;直播净和新野对马唐防除效果较好。

Selecting some herbicides to research soil seal processing experiment, in order to filter safety and effective her- bicides, the result indicated that effect of Lougmiao and Suchu were. safety on Sprout. Longmiao had less impact in tillering, Zhibojing had better effect on scirpus planiculmis Fr.Schmidt and broad leaved weed. Suchu and Xinye had better effect on broad leaved weed. Zhibojing. and Xinye had better on carbgrass.