(1) Effective use of herbicides in sweet potato fields can save a lot of labor and reduce the damage of potato ridges by weeding operations. At present, more herbicides such as acetochlor are used. The specific application method is to spray the liquid before planting. The dryness of the ground should pay more attention to water, and try not to spray on the potato seedlings. Pay particular attention to the amount applied and the method of application.
(2) The black mulch film has a very good application effect in the sweet potato field, and there is basically no weed in the black mulch film.
(3) Weeds between rows can be removed after the seedlings are alive, and then killed with the herbicide herbicide, with a small hat on the nozzle, taking care not to spray on the potato seedlings.
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