1. Scientific selection: Walnuts are suitable for growth in sandy soils and black loam soils with warm soil, deep soil layers and good drainage. They should be planted on sunny slopes and leeward. The newly planted young trees should have sufficient water and fertilizer, and spray a new high-fat film to insulate the moisturizing and anti-pathogenic bacteria, shorten the slow seedling period and accelerate the development of roots.
2, preserved flowers and fruits: in the flower bud stage, young fruit stage and fruit expansion period, spray strong fruit tingling, increase the fruit pedicle, increase the nutrient transport, reduce the fruit drop, improve the pollination ability, improve the fruit set rate, Speed ​​up the expansion to ensure high quality and high yield of fruit. The size of the fruit in the tree makes the tree unbalanced, affecting both the balanced income and the health of the orchard. It is necessary to brush the foliar fertilizer once a year during the flower bud differentiation period, which can promote flower bud differentiation and inhibit the summer shoots, which can increase the pollination ability and fruit set rate.
3, disease prevention: walnut silkworm moth, walnut limb moth, walnut fruit like a nail. The main diseases of walnuts are: walnut black spot and walnut blight. Control and spray targeted drugs to kill. At the same time, it is necessary to spray the tree to protect the tree generals.
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