1. Qinggou Drainage: Pay attention to clean up the ditch, waist ditch and car ditch so that the ditch can communicate with each other and drain the water in the field.
2, after freezing, in a timely manner cultivator, weeding, soil cultivation, improve the ventilation of the soil, increase soil temperature, and promote root recovery as soon as possible.
3. When the temperature of the sunny days after freezing is high, cut the dead moss, clear the frozen leaves, and apply the quick-acting fertilizer in time. 1 Spray per acre with spray 1 plus 200 grams of potassium dihydrogen phosphate water 50 kg spray. 2 Topdressing nitrogen, phosphorus, and potassium fertilizers for about 10 kg per acre combined with cultivating soil applied to the rows of plants to promote the restoration of growth and development.
4, to strengthen the prevention of pests and diseases, pay attention to the prevention and treatment of Spodoptera litura, small cabbage moth, sclerotinia disease, the use of avermectin, thiophanate-methyl and other timely pesticide control.
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