1. Fertilizer spraying at the initial flowering stage can be sprayed with 0.3%~0.5% urea solution to improve the quality of bud differentiation and development. Flowering stage and young fruit period with 0.3% urea solution and 0.4% potassium dihydrogen phosphate mixture foliar spray fertilizer, increase fruit setting rate, increase fruit weight and improve fruit quality.
2. Spray growth regulators and trace elements to spray gibberellin, sodium neonate and zinc sulfate solution during flowering. The young fruit was sprayed with 3 sodium acetate solution and sprayed twice in succession, separated by 3 to 5 days.
3. The right armor is the girdling of the tree trunk. The armor generally starts in the full fruit period (15 to 20 years old) and the trunk diameter reaches 15 cm. The optimum time is the flowering period. The first time a tree is opened, the old skin is scraped at a distance of 20 to 30 cm from the ground, and peeled with a sharp knife about 3 to 5 mm wide and deep to the xylem, but it does not hurt the xylem and peel it off. The girdling is carried out once a year, and it is girdled upwards year by year, with an interval of 3 to 5 cm per year.
4. Sprinkling water at flowering stage Spraying fresh water on the crown can change the local humidity conditions and facilitate pollination and insemination. In the mid- and mid-June of the flowering season, before 8 o'clock in the morning without wind or after 5 o'clock in the afternoon, use a sprayer to evenly spray clean water on the jujube flowers. Spray 3 to 5 kilograms per plant and spray every 2 to 3 days. 1 time, even spray 3 to 4 times.
5.Boron Boron Boron Spraying plays an important role in pollen germination and pollen tube growth rate. Spraying 0.2%~0.3% borax solution during flowering can increase fruit setting rate and increase yield.
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