Where is the key to the comprehensive management of Hawthorn?

1. Plastic trimming. Indulging in the growth of hawthorn trees, the branches of the whole tree are often too much, and the branches in the crown are dense, affecting the yield and quality. According to the growth characteristics of the hawthorn branches, the tree shape can be shaped by an evacuated layered shape, a multi-main branch natural round head shape or a natural happy shape. Only the trunk of Weishan is weak, and it is prone to dry and partial crown. In the shaping, the cutting direction of the cut bud can be used or the center can be replaced. The wound caused by pruning should be applied to the wounded anti-corrosion film in time to protect the wound from healing tissue growth and prevent infection from wounds.

2. Fertilizer management. In the early morning of autumn, topdressing can be applied according to the specific conditions in several periods of germination, leafing, fruiting and fruit expansion. Spring flowering topdressing, foliar spray and photosynthetic nutrient fertilizer can significantly increase the fruiting rate and promote the growth of new shoots. The juvenile tree should strengthen the late (August-September) topdressing and promote the differentiation of the teeth. In case of fruit loss caused by early affection, irrigation or loosening of grass should be carried out to reduce the premature sensation. Before flowering, in the young fruit stage and in the expansion stage, the strong fruit tingling can be activated once, which can activate the plant ecological growth positive energy, broaden the plant conduit path, enhance the water absorption and fertilizer absorption of the plant, increase the fruit yield and quality, reduce the fruit drop rate, and reduce The incidence of cracked fruit, stiff fruit, and deformed fruit.

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