In summer, the apple trees are at the peak of growth. With the increase of rain, the autumn shoots are prosperous and the fruits are rapidly expanding. During this period, the integrated management of orchards mainly includes the following items:
First, continue to prune in the summer. Sparse branches and cross branches The trees with large amount of results must be top branches and hanging branches to prevent breakage and splitting. To control the longevity tree, to promote the formation of flower buds, from the early stage of autumn shoot growth, every 10-15 days, the prosperous apple trees should be controlled to grow slightly longer, and promote flower buds full.
Second, foliar spray fertilizer to select a good leaf fertilizer, spray at least twice, the interval is about 10 days.
Third, under the tree top dressing is generally based on 50 kg of fruit per fruit application 1-1.5 kg of fruit-specific fertilizer. For medium-maturing varieties, we must do a good job of preventing fruit falling before harvest. When there is a large amount of rainfall, drain it in time to prevent fruit trees from being soaked in water for a long time. At the onset of the rainy season, under the canopy of the trees, powdered straw, wheat straw, wheat bran, etc., can be applied to the canopy, or stalks can be covered under the trees.
Fourth, anti-hail storm this season is also prone to hail season, after the hail attack. 1 Remove the non-retainable rotten fruit, spray the fungicide and foliar fertilizer in time to prevent the fruit from being infected and increase the nutrient supply and promote wound healing. Two branches were damaged by hail and broken skin, remove the skin, broken skin, and then use Kang Kang Bao 20-30 times liquid brushing, but also coated Guofuning cream to protect the wound.
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