1. Pruning and topping. The first pruning is carried out in the spring, and the summer pruning is carried out at the full and late flowering periods. Wipe away the useless shoots and other branches that consume the nutrients of the tree trunk and the stems of the inner trunk. When the new jujube head grows to 25 to 30 cm, topping is performed to control the growth of developing branches, increase the growth of secondary branches, and promote fruit setting. 2. Open armor (ring cutting). For vigorous jujube trees, the phloem is cut by opening the nails, so that the nutrients made by the leaves are concentrated for flowering and fruit setting. Kaijia is suitable for trees with a diameter of 10 to 15 cm or more. The proper period for opening a nail is the blooming period. The specific method is as follows: the trunk is cut 10 to 20 cm from the ground, the width is 0.3 to 0.5 cm, and the depth is up to the xylem. After peeling, the wound is wrapped with plastic film. 3. Reasonable control. Before flowering (from the end of April to the beginning of May), each big tree topdressed with 0.5-0.75 kg of urea, the initial fruit-dressed topdressed with 0.25 kg, and then applied nitrogen and phosphorus once again during the young fruit development period (mid-late June) , Potassium compound fertilizer, 0.75 kg per plant. Spraying 10-50% gibberellin solution in the early flowering period or 0.3% borax solution in the flowering period can significantly increase fruit setting rate. 4. Water before flowering, spray water at flowering stage. If the soil is too dry before flowering, it should be irrigated in time to ensure stable fruit setting. Spraying water every 2 to 3 days during the flowering period of jujube trees can promote pollination and fertilization and increase fruit setting rate. 5. Put bees in jujube garden. Jujube flower is a typical insect-borne flower, and bee-blowing at flowering stage can increase fruit setting rate. Generally, a box of bees is placed every 6 acres to 10 acres of jujube garden. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Tetanus Shot,varicella vaccine,Hepatitis B Injection,Hep B Vaccine FOSHAN PHARMA CO., LTD. , https://www.fs-pharma.com