How to improve the ability of mango to resist low temperature and rain

The main reason for the inefficient flowering of mangoes is that the flowering period is affected by the low temperature and rainy weather and cannot be pollinated and fertilized; if it can further improve the cold resistance of flower spikes and weaken the influence of low temperature and rainy weather on flowering in spring, it can promote pollination and fertilization, and improve the Fruit rate. The specific technical measures are as follows:
First, re-apply phosphorus and potassium fertilizers. The application of P and K fertilizers at flowering stage to increase the P and K levels of flower spikes can significantly increase the cold resistance of flower spikes, prevent the threat of flowering at low temperature and rainy weather, apply P and K fertilizers in the first half month before flowering, and result trees above 5 years old. 1 to 1.5 kg of potassium dihydrogen phosphate per plant, or 1.5 to 2 kg of cooked bone meal, 0.5 to 0.75 kg of potassium chloride or potassium sulfate per application, and 80 to 100 kg of decomposed fecal water against fresh water or water. Drainage can also be applied around the canopy drip line to dig deep and wide 30 to 40 cm in diameter.
Second, spray foliar fertilizer. In the flowering stage, once every 7-10 days, the foliar spray is applied once to 5,000 times for Yunda-120, 1000-fold for Green Fenway 1, 800-fold for high-efficiency organic humic acid active liquid fertilizer, and 1,000 times for spray-applied Poison mixture. Even spray 2 to 3 times, evenly wet all the leaves and spikes, in order to start dropping drops of water is appropriate, can significantly improve the cold resistance of spikes. In the period of 5 to 10 days before flowering, if there is low temperature and rainy weather, it is necessary to timely spray 3,000 times of Yunda 120 aqueous solution.
Third, the root protection system. Before flowering, plow the soil with waste manure, pond mud, burning earth or other earth fertilizers or new soil fertilizer under the crown of the top of the canopy, and lay 30 to 40 cm outside the canopy water line inward. ~ 1.5 meters, each tree shop 150 ~ 200 kg, about 5 ~ 10 cm thick, to cover the bare roots, and thicken the topsoil, stabilize and increase the soil temperature, is conducive to the growth of root activity, enhance the absorption function, improve plant Cold resistance.

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