1. For mechanical harvesting of wheat plots of wheat, the wheat straw and wheat bran in the field should be cleared out of the field first, and the dosage should be appropriately increased. The maximum dose of maize can be used for the high corn field.
II. When using herbicides, should be in accordance with the spraying, the soil surface moist after the first pouring principle. In dry years, spray immediately after watering. After spraying, it is raining and the efficacy is lost. It should be sprayed again. When the spray is applied, the surface of the surface is wet, which is beneficial to the formation of the membranous layer to achieve the function of closing the ground, and has the effect of weeding.
Third, strictly control the dosage, increase the amount of liquid. At present, there are many kinds of herbicides in corn, and the active ingredient content is quite different. Use the product strictly according to the dosage instructions for the drug. It is forbidden to use drugs that are too large or too small, and it is necessary to ensure the weed control effect without affecting the growth of corn and mandible crops. General requirements Mu 35 to 45 kg of liquid medicine, or require a large amount of 45 to 55 kg per mu, to ensure that the surface of the soil after spraying the effect of moist.
Fourth, timely and correct application of herbicides 1, according to the herbicide instructions, determine the spraying period. 2. First use the mother liquor after shaking it well. 3. Spraying is used when spraying. 4. Master the windless weather before 9am or after 5pm. Do not re-spray, no leakage of spray, spray the right amount of uniform.
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