Mechanized root smashing and smashing returning technology is a mechanized technique that cuts off the remaining root stalks after the stalks, and uses mechanical smashing to mix in the plough layer soil. Rooting in the field helps maintain the ecological balance of soil organic matter. After each mu of corn root is returned to the field, it is equivalent to adding 1.3 tons of farmyard manure with an organic matter content of 5%. Roots can also increase the biological activity of the soil, renew and activate the aging humus in the soil. The return of crops to the field can increase the yield per unit area of ​​the crop, and the yield per hectare can be increased by more than 3% in comparison with the removal of roots.
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