In the winter, according to the characteristics of wheat seedlings, strengthen field management, control and promote weak progress, promote early seedlings, cultivate strong seedlings, and ensure smooth wintering of strong seedlings. Pay attention to the following five points:
1. Check seedlings to replant. After the emergence of wheat, the seedlings should be inspected and replanted in time. For the ridges with more than 15 cm of blast-breaking ridges, the same variety should be replanted in time.
2, timely farming. Before winter, a moderate cultivating should be carried out on the wheat field to break the knot, increase the temperature and protect the mites, eliminate the weeds in the field, and promote the development of roots and sorghum.
3. Fertilizer management. For wheat fields that have no application of base fertilizer or insufficient base fertilizer, small population, and weak growth of wheat seedlings, 8-10 kg of urea should be applied per acre before winter, and watered after fertilization. For dryland wheat fields, cover with straw or manure to keep warm. The wheat field with sufficient base fertilizer, suitable group and normal growth does not need topdressing before winter.
   4. Carry out winter irrigation. Winter irrigation can not only stabilize the temperature, promote the development of wheat roots, ensure the safe wintering of wheat, and reduce the number of eggs. At the same time, it can also prevent spring drought and create favorable conditions for spring wheat field management. In the wheat fields where the soil is not empty and the soil is lacking, winter irrigation must be carried out.
   5, control and promote weak. In winter, the temperature is low, it is necessary to control the weak and prevent freezing, and ensure that the wheat is safe for winter. First, we must promote the rapid development of weak seedlings, and cultivate more strong seedlings to achieve safe wintering. Second, we must control the wheat seedlings early. For the wheat fields that are planted early and have a long trend, it is necessary to take timely measures such as suppression, deep cultivating or chemical control to inhibit the growth of wheat seedlings and control the growth. For the fake Wang Miao wheat field with large amount of broadcast, it is necessary to control the fertilizer and water, remove the weak seedlings, and stay dense and strong. Third, before the onset of strong cooling weather, the wheat field should be properly flooded and frozen.
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