At present, many farmers are accustomed to the chemical weeding of wheat fields in the spring, and practice has shown that the best weeds are chemical weeding in wheat fields before winter.
The advantages of chemical weeding before winter are: 1. Save pesticides. Smaller wheat seedlings before winter, herbicides can be sprayed on the weeds to the maximum, thereby reducing the amount of liquid medicine. 2. Easily remove weeds. Before winter, the vast majority of wheat field weeds had just been unearthed, generally before the 3-leaf stage, with the lowest resistance and could easily be eliminated. 3. Less pesticide residues. Before weeding in winter, due to the relatively long planting time of the crops under the loquat, the herbicide can be fully decomposed in the soil, thus reducing the herbicide residue in the soil, and will not affect the growth of the crop.
Pre-winter chemical weeding should pay attention to the following issues: First, we must select herbicides. To carefully read the instruction manual and use herbicides that have no effect on the crops under the crops, special attention should be paid to plots prepared for the cultivation of peanuts, soybeans, cotton and other crops sensitive to herbicides. Second, timely spraying. By mid-November, various weeds in wheat fields have basically been harvested. Chemical weeding time is from mid-November to early December. Third, we must appropriately increase the amount of water. Take the Gongnong-16 type manual sprayer as an example, the diluted herbicide solution per acre should not be lower than the two sprayers. Fourth, we must pay attention to spraying in windless weather, so as to avoid the influence of wind, resulting in uneven spraying.
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