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1. Cover the feces. After the wheat enters the wintering period, a layer of manure is applied to the ridges. The masses call it “warm ditchâ€, which can avoid wind and moisture, increase temperature and freeze, and supplement nutrients for the growth of wheat seedlings. The thickness of the cover manure is preferably 3 to 4 cm. When the manure is insufficient, the wheat field in the late evening wheat field, the shallow wheat field, the wheat field in the sand, and the wheat field in which the weak spring varieties are sowed are given priority.
2. Earthworm roots. When the wheat seedlings are about to stop growing before wintering, combined with the roots of the soil, it can effectively prevent the wheat from freezing during the winter. In the severely damaged years, the antifreeze effect of the roots of the bauxite is particularly obvious, generally increasing the yield by 5% to 10%.
3. Winter irrigation and antifreeze. It’s too late to freeze and freeze, and it’s too late to freeze. That is, before the cold air comes to a large temperature drop, a winter irrigation is carried out and a new high-fat film is sprayed to form a polymer film to insulate the anti-pathogenic bacteria.
4. Fumigation antifreeze. Pay close attention to the weather changes. Before the arrival of the cold current, pile up wheat, straw and other smoke in the fields in the evening.
5. Control is prosperous. According to the agricultural resources Taobao guide, before the freezing injury of wheat during the wintering period, spraying with 0.3%~0.5% chlormequat and Huahuawang 3 solution can inhibit plant growth, resist or reduce the occurrence of freezing damage.
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