The mechanical deep loosening work should be deep, flat, fine and solid, with a depth of 25 cm or more. Land leveling is done, the soil is finely crushed, there is no leakage of land, the depth is consistent, and it is under the condition of real squatting and drought protection. The mechanical deep-drafting operations should be deep, flat, fine, strict, and solid, with a depth of 25 cm or more. After the ground is turned, the surface should be smooth, with good overturning, tight vegetation coverage, consistent depth, consistent tillage, no re-cultivation, and no leakage. Tillage phenomenon.
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