山茱萸树出现焦顶、干枝、结果少、果皮薄、树势衰弱等现象,有下列原因。1.长期没有进行垦复、施肥,致使营养不足。2.土层变浅,根系裸露。3.植地积水。根系长期处于水浸状态,土壤内空气减少,影响根系的正常呼吸作用。4.干旱。更新的方法是:1.收果后或在冬季,在枝杈的上方砍去枯枝及部份焦顶技、老弱枝,但不要一次砍光,留下1/4或1/3较好的作为营养枝。2.加强垦复, Cornus officinalis appears top of the coke, dry branches, the result is small, thin peel, shuji weak phenomenon, the following reasons. 1. For a long time without reclamation, fertilization, resulting in nutritional deficiencies. 2 shallow soil, bare roots. 3. Planting water. The root system is flooded for a long time, and the air in the soil is reduced, affecting the normal respiration of the root system. Drought. Update the method is: 1. After harvest or in winter, above the twigs cut off the branches and some coke top technology, old and weak branches, but do not cut light, leaving 1/4 or 1/3 better As a nutrition stick. 2. Strengthen reclamation,