Reasonable farming implements a combination of deep and shallow tillage, which not only controls weeds in the wheat field, but also saves labor and time. In the wild oats re-emergence area, one year deep ploughing (deep sowing 20 cm), two years shallow ploughing (about 10 cm), can make weed seeds concentrated in the topsoil, germination neat, chemical weeding effect is good. In the perennial weed re-emergence area, deep-turning before winter, the roots of the weeds are exposed to the surface and frozen or killed. Perennial weeds occur less frequently in intensively cultivated fields. Here are some herbicides that can be used to control grass weeds:
The plant height of the flax is 10-15 cm, and the weeds of the grass are 2~4 leaves. Each acre can use 5% fine grass emulsifiable concentrate 60-80 ml or 6.9% Vuba thick emulsion 50-80 ml, 10.8% efficient cover grass. Can be 20 to 30 ml of emulsifiable concentrate, 20 ml of 5% quizalofol emulsifiable concentrate, 15% of emulsifiable concentrate 50-75 ml, 45 to 60 kg of water, spray treatment with stems and leaves.
Wheatgrass benzoic acid herbicide. For the annual and perennial broad-leaved weeds in the wheat field, there are very many kinds of weeds, leeks, piglets, sorghum, oxen, big nests, scorpions, scorpions, stalks, stalks, thorns, and stalks. Good results.
2,4-D-butyl phenoxyacetate-type herbicide. For wheat field, wormwood, leeks, lacquer, sorghum, baocao, sorghum, sorghum, pork stalk, rice stalk, sedge, bitter leeks, thorns, snails, small squid, etc. Leaf weeds have good control.
China Pesticide Network http://
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