Fruit shrinkage, lobular disease, yellow leaf disease, etc., which occur in the growing season, are caused by the lack of trace element fertilizer. In winter, a certain amount of trace element fertilizer is applied in combination with the application of base fertilizer, which has good control effect on the deficiency of fruit trees. And the duration of prevention is long. Shrinking disease. The fruit surface is uneven, the pulp tissue is spongy, the flesh is bitter and the quality is poor. The disease is caused by the lack of boron. Therefore, in combination with the application of the base fertilizer, 0.5 kg of borax or 150 g of boric acid is applied to each adult tree. Lobular disease. The leaves are narrow, clustered and the leaves are not stretched. The disease is caused by zinc deficiency, combined with the application of base fertilizer, each plant results in 0.5-1 kg of zinc sulfate or 0.5-1 kg of zinc-iron mixed fertilizer. Yellow leaf disease. The main manifestation is the yellowing of the young leaves of the new shoots. The disease is mainly caused by iron deficiency. Combined with the application of the base fertilizer, each adult tree is applied with 0.5 kg of ferrous sulfate or 0.5 kg of zinc-iron mixed fertilizer. Fertilization method. According to the symptoms of deficiency, when the base fertilizer is applied, the micro-fertilizer and the organic fertilizer are mixed uniformly and applied to the tree, and watering is required after fertilization, so that the root system can restore the absorption function as soon as possible and increase the storage capacity of the tree body. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Wheat Seeder,Wheat Seeder For Crops,Multifunctional Wheat Planter,Agricultural Large Wheat Seeder Taizhou Yingtian Agricultural Machinery Manufacturing Co., Ltd. , https://www.sakuradaagc.com