Boron fertilizer The application of boron fertilizer on fruit trees has a significant effect of stabilizing flowers and stabilizing fruit and improving quality. Spraying 0.2% boric acid in front of flowering and flowering leaves can increase fruit setting rate, promote flower bud differentiation and elongation of pollen tube, increase fertilization rate and reduce fruit tree physiological fruit drop. Zinc fertilizer Spraying 0.3%-0.5% zinc sulphate and zinc oxide aqueous solution on the foliage and young fruit after the flowering of the fruit tree can promote the growth of the tree, increase the fruit setting rate and optimize the fruit quality. Iron fertilizer After the new leaves are displayed in the fruit trees, the leaves of the young part of the branches are unevenly yellowed, and the veins are chlorotic, which is a symptom of iron deficiency. Plants and leaves can be sprayed with 2% to 5% ferrous sulfate or ferric chloride. When spraying trace elements, it is necessary to choose sunny and windless weather; at the same time, the back of the spray blades is dominant. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Antioxidants Vitamins,Antioxidant Vitamins Tablets,Rubber Antioxygen,Antioxidants Free Radicals SHANDONG BAISHENG BIOTECHNOLOGY CO., LTD , https://www.baishengbioproducts.com