First, spraying fungicides Xiehua should be sprayed protective fungicides plus systemic fungicide, and the use of science should be multiple, spraying should be careful.
Second, choose a good permeability paper bags can choose a variety of brands of paper bags covered in boiling water cups, which kind of paper bags first gas, indicating which kind of paper bags breathable, and at the same time to see whether the size of the bottom of the paper bag vents Suitable.
Third, when scientifically bagging bagging, the bag vent must be opened to allow the rainwater to drain out of the bag in a timely manner in case of rain, so that the bag is air-permeable and dry.
Fourth, enhance tree vigor After harvesting, apples are topped with organic fertilizers in a timely manner. In early and late August, phosphorus and potassium fertilizers are topdressed in a timely manner. During these two periods, top dressing can significantly increase tree vigor and improve the resistance of the trees.
Fifth, scientific pruning attaches importance to the summer cut, timely removal of overlapped branches, cross branches, Wang branches, increase the light transmission area, so that the trees through the wind.
6, timely drainage in July-September, if more precipitation should be promptly drained, to avoid long-term accumulation of water in the apple orchard.
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