First, earthworms. When the soil is returned to the pulp, it can be slopped, soiled, warmed, and weeded to enhance the ability of the wheat seedlings to keep out the cold. After 7-10 days of general sloughing, the average ground temperature in the 5 cm soil layer during the day is increased by 0.5-1°C, which is very favorable for promoting root development and nutrient transformation. Therefore, regardless of weak seedlings, strong seedlings, or strong seedlings, they should step up efforts during the return period. For wheat fields that have a tendency to skyrocket, you can also properly squat, and you can suppress spring delivery.
Second, fertilization. Early fertilization of wheat can make up for winter soil consumption, increase nutrient accumulation, and promote the development of wheat seedlings to grow green wheat in the early spring. It is necessary to seize the favorable opportunity for the soil to just be thawed and returned to the slurry, so as to deepen the ditch. Generally, water should not be poured to avoid lowering the temperature and affecting the growth of wheat seedlings.
Third, spraying. In the period of wheat returning to greenery, spray 30 to 40 kg of paclobutrazol solution with 200##10;10-6 concentration per acre, which can inhibit the growth of wheat seedlings and enhance cold resistance.
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