1. The first pruning is carried out during the spring germination of the pruning and picking. The summer flowering and the final flowering period are carried out in summer, and the unwanted buds and other branches that consume tree nutrients are removed from the trunk and the inner tibia. When the new jujube head grows to 25-30 cm, the topping is carried out to control the growth of the developmental branches, increase the growth of the secondary branches, and promote the fruit setting. 2. Open armor (ring cut) For the vigorous growth of jujube trees, the phloem is cut by open nails, so that the nutrients produced by the leaves are concentrated for flowering and fruit setting. Open armor is suitable for trees with a diameter of 10 to 15 cm or more. The opening period is suitable for full bloom. The specific method is: ring cutting is carried out 10 to 20 cm from the ground, the width is 0.3 to 0.5 cm, and the depth is xylem. Wrap the wound with a plastic film. 3. Rational control Before flowering (from late April to early May), 0.5-0.75 kg of urea should be applied to each large tree, and the initial result tree should be applied with 0.25 kg. After the flowering, the young fruit development period (in the middle and late June) A nitrogen, phosphorus and potassium compound fertilizer, about 0.75 kg per plant. Spraying 10~50ppm gibberellin solution at the beginning of full bloom or spraying 0.3% borax solution during full bloom can significantly increase the fruit setting rate. 4. Irrigation before flowering, spraying water before flowering If the soil is too dry, it should be timely watered to ensure stable fruit setting. Spraying water every 2 to 3 days during the flowering period of jujube can promote pollination and fertilization and increase the fruit setting rate. 5. Jujube garden is a typical arboreal flower, and the flowering period can increase the fruit setting rate; generally, a box of bees can be placed every 6 to 10 mu of jujube garden. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Light Color Halves Walnut Kernels
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