Due to lack of water, jujube trees have shrunk. What should I do?

Topdressing before flowering: topdressing urea 1.2kg/ plant in late April and early May. For jujube orchards lacking phosphorus and potassium, 2 kg of calcium superphosphate, 5 kg of potassium chloride 1 kg and 5 kg of plant ash can be added to each plant; Spraying 10 mg/L gibberellin and 2 g/L zinc sulfate solution in full bloom.

Prune the dense branches 1 time in spring bud and 1 time in summer blooming and late flowering to erase useless buds and other branches that consume tree nutrients.

Thorn tree opening (ring cutting) For jujube trees with vigorous growth, the phloem is cut off by nailing, so that the nutrients made by leaves can be supplied to the nutrients needed for flowering and fruit setting. For trees aged from12 to15, at the peak of flowering, girdle the trunk at a height of 15 cm from the ground, with a width of 5 cm, reaching the xylem without damaging it. Wrap the wound with plastic film after peeling.

Picking jujube heads When the new jujube heads grow to 25 ~ 30 cm, picking jujube heads can control the growth of developing branches, increase the growth of secondary branches and promote fruit setting.

Spraying water at flowering stage Because the flowering stage of jujube trees is in high temperature and dry weather, the stigma of jujube flowers is prone to wither and fall off. At this time, spraying water on the canopy to increase air humidity is beneficial to jujube pollination. Water spraying should be carried out before the arrival of high temperature, and it can be combined with fertilizer spraying and pit removal, which is very effective in improving fruit setting rate.

Irrigation at flowering stage When the soil moisture content is less than 60%, light irrigation can meet the water demand of a large number of flowers.

Jujube flower is a typical insect-borne flower in jujube orchard, and releasing bees can improve the fruit setting rate.