Before the fall to frost, the crop stalks or orchard weeds are crushed, evenly spread in the rows of fruit trees and under the tree plate, the thickness of 10 to 15 cm, press the soil above, cover for 3 to 4 years, shallow over 1 , Winter and spring dry season should pay attention to orchard fire prevention. In this way, the content of soil organic matter in the grass-covered orchard is increased by 20% to 30% compared with that of the non-mulching orchard orchard, so that fertility can be cultivated and fruit tree yield can be increased.
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