Answer: The rot of apple trees is often caused by poor drainage, soil compaction, low organic matter, excessive planting or over-cultivation, and damage to the roots by underground pests such as roots or earthworms during farming. First, promote the use of farmyard fertilizers, especially the application of high-quality bio-organic fertilizers to improve soil permeability; Second, strengthen soil management, adhere to an orchard every spring, summer and fall through the pine soil weeding, encounter heavy rain Ventilation shall be promptly conducted to keep the soil well ventilated; thirdly, base fertilizer should be applied in autumn to increase storage and nutrition; and fourthly, the drainage system should be opened to prevent water accumulation in the orchard.
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