Onion and garlic crops, like other crops, will encounter weeds. How should this be avoided? The use of herbicides should be carried out in two ways:
1. Land treatment before planting. In sowing, use 10% of oxalin 300g per acre, 50-60kg of water, spray evenly on the ground, and mix the liquid with the topsoil immediately after application. If there is a vegetable field covering the mulch film, apply 48% of the cable 100-120 ml per acre, spray the surface with 50 kg of water, then cover the membrane, and then sown or transplant after 5 days.
2. Soil treatment after sowing.
(1) Weeding measures in the green onion field: After the onion grows, the weeds are in the early stage of germination, or after the spring in the next year, the green onions are returned to the green, and the soil is sprayed with water by using 25% of the herbicide 600 g/mu.
(2) Weeding measures in garlic field: When the weeds are germinated in a large amount after sowing garlic, use 25% chlorpyrifos 700 g/mu, and spray the soil surface with water.
(3) After transplanting the onion and returning to green, use herbicide 25% herbicide 800-1000 g per acre, and then spray the soil with water spray.
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