The apple orchard has a deep turn in winter.
A: The deep turning of the orchard is generally carried out in the first ten days of the harvest of apples. It can increase the thickness of the soil layer, improve the ventilation conditions and increase the activity of microorganisms in the soil. Moreover, by deep-turning, a large number of new roots can be promoted, the root activity can be improved, and nutrient and water absorption can be facilitated. The depth of the soil is gradually deepened from the root neck of the trunk to the periphery. The lower part of the crown is about 20 cm, and the periphery of the crown should be deepened to 30-50 cm. When the deep turn encounters the main root and the thick lateral roots, the root system can be cut off at the periphery of the canopy to promote a large number of new roots, while deep turning can kill a large number of pests that overwinter in the soil.
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