A fertilization method to reduce the incidence of mango gummosis and improve mango quality

Abstract

The invention provides a fertilizer application method capable of lowering incidence rate of bleeding disease of mangoes and improving quality of the mangoes. The method comprises the following steps: applying flower strengthening fertilizer before budding of mango trees; applying fruit strengthening fertilizer at a small fruit stage after blossom fall of the mango trees; applying fruit picking fertilizer before or after fruit picking after fruits of the mango trees are ripe; applying winter fertilizer after fruit picking, wherein the time for fertilizer application is the middle or last ten days of November. According to the method, microbial fertilizer is applied all the year around and contains major and medium elements such as nitrogen, phosphorus, potassium, calcium and magnesium and nutrients such as micromolecular instantly-dissolved organic matters, active fulvic acid, compound amino acids and biostimulants, besides containing a large amount of microbes, and a variety of nutrients are in a synergistic action, so that the nutrition balancing of the trees is facilitated, and the disease resistance is improved. According to the method, by adopting a water and fertilizer integrated fertilizing manner, the requirements of the mangoes on nutrients and moisture in a nutrition requirement period are met, the labor intensity is lowered, and the working efficiency is increased.

Description

technical field [0001] The invention relates to a fertilization method for reducing the incidence of mango gummosis and improving mango quality, and belongs to the technical field of mango disease prevention and planting. Background technique [0002] Mango is rich in nutrients, high in sugar and calories, extremely rich in vitamins A and C, and the flesh is fragrant, sweet and smooth. It has the honor of "tropical fruit king". Mango needs a large amount of fertilizer. Every 1000 kg of fresh mangoes needs 1.74 kg of nitrogen, 0.23 kg of phosphorus and 2.0 kg of potassium. In addition to requiring a large amount of fertilizer, mangoes also have strict water requirements. There are two main periods for mango tree irrigation: the first period is after fruit picking and pruning, which is now in a dry period. Irrigate with fertilizer after applying the fruit to promote the drawing of autumn shoots and cultivate strong fruiting branches in the coming year; the second period is th...

AI Technical Summary

Problems solved by technology

[0003] However, at present, most of the mango planting areas are on hillsides, with low soil organic matter content and poor fertility. Affected by the terrain, many growers often use the "one-shot" method when fertilizing in order to reduce labor, that is, one-time Dig a hole under the tree tray and apply year-round fertilizer

In addition, the hillsides are not easy to water and irrigate. When the mangoes need water most, they cannot supply enough water. When the rain comes, due to the sudden rainfall after a long drought, the mango fruit grows from ready to go to explosive expansion, and the fruit is cracked and deformed seriously.

It can be seen that unreasonable fertilization and watering will lead to extremely low fertilizer utilization rate, resulting in weak growth of mango trees and low disease resistance. In most orchards, gum flow disease occurs seriously and fruit quality declines.

[0004] At present, the nutrient ratio of chemical fertilizers used in mango fertilization methods is single. After long-term use of mango trees, the nutrient accumulation is unbalanced, the metabolism is disordered, and the tree vigor becomes poor, which eventually leads to frequent occurrence of diseases such as black heart disease and gummosis. reduced quality

Patent document CN104938125 A discloses a method of fertilizing Huaping late-maturing mangoes at full fruit stage. The method uses the same fertilizer nutrient ratio in each period of mango growth, which does not meet the requirements of mangoes for different nutrient ratios in special growth periods; patent document CN 105815023 A discloses a method for mango fertilization in mountainous areas, which has the same defects as patent CN104938125 A, and also has the defects that the method is time-consuming and laborious when watering and fertilizing, and the irrigation efficiency is low

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