(1) The effective use of herbicides in sweet potato fields can save a lot of labor, and reduce the destruction of potato ridges by weeding operations. At present, more herbicides such as acetochlor are used, and the specific application method is to spray the liquid before planting. The ground should pay attention to watering more water, and do not spray on the potato seedlings. Pay particular attention to the amount and method of application. (2) Black mulch has a very good effect in sweet potato fields, and there is basically no weed in black mulch. (3) Weeds between rows can wait for the seedlings to survive and then remove with the herbicide paraquat, with a small cap on the sprinkler. Be careful not to spray on the seedlings.
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