Winter fertilization is an important part of the annual production management of vines. Therefore, it is imperative to apply winter fertility.
Deep fertilization and deep fertilization can improve soil permeability, increase fertility and promote root growth. Balanced fertilization is achieved by deepening the organic fertilizer and formula fertilizer. Every year from late October to early November, the fertilized sheep, cattle and other livestock manure are evenly scattered in the grape plot. It is necessary to break up the large manure. When spraying the manure, pay attention to the grape plant about 10 cm. Left and right, then the whole block is deeply turned over, and the depth is about 6~8 cm.
Ditching and fertilizing the fence to dig straight into the ditch 30~45 cm wide and 30~45 cm deep. Anyway, no matter the root size, it will be cut off. The trench is 50~70 cm away from the main trunk, and one row is dug one by one, and it is rotated every year. Then layered fertilization, the first layer is first filled with straw or rotten sheep, cattle and other livestock manure, filled into the topsoil; the second layer is applied with organic fertilizer, added formula fertilizer, and then filled with subsoil.
Fields that are shallowly excavated in the field should be dug properly, and the depth should not exceed 5 cm, which is convenient for filming in the coming year.
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