When the apple is young, start bagging. Before the sheath, use 80% mancozeb powder 800 times + 70% nail powder 1000 times + 4.5% water milk high chlorine 2000 times + new high fat film 800 times liquid + 5 % avermectin 6000 times +20% imidacloprid solution 5000 times + high boron calcium liquid 500 times + foliar fertilizer + micro fat + strong fruit tiling + tree guard general 200 times + free bag film 1000 times liquid spray A class to prevent infection of the bacteria and improve the brightness of the fruit surface.
When the fruit is matured, the bag is picked and sprayed once to prevent the infection of the bacteria, and the fruit surface can be protected. And for weak trees or trees with more fruits, increase the amount of fertilization appropriately, timely timely tillage and urea, and promote tree growth.
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