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Mango fertilization techniques

The amount of fertilizer applied to mango trees and the ratio of the combination between the elements. It varies by species, age, soil and climatic conditions and the amount of fruiting. The amount of fertilizer and the period of fertilizer application need to be determined by the growth and development stage of mango, the growth potential and fertilizer characteristics. Generally speaking, in the flowering period, fruit development and the early stage of new development, all need to be fully supplied with various nutrients. When the plant is overgrown with nutrients, less nitrogen fertilizer should be applied. Due to abundant production or other reasons, and not growing the right amount of new tips, nitrogen fertilizer should be added.

A、Young mango trees

Young mango trees need a larger amount of nitrogen, potassium fertilizer. Young mango trees can grow throughout the year, a year can be 6-7 times. The amount of growth is larger. Therefore, in the 2-3 years after planting, in addition to the annual combination of expansion of the hole to change the soil into a large amount of organic fertilizer, should be timely supplemental fertilizer to meet its growth needs of nutrition.

1、Young mango tree fertilization principles

Juvenile mango tree fertilization principles should master “a small number of times, diligent application of thin” principle. According to the mango tree twitching situation to decide the fertilization period.

2、The young mango tree fertilization method

Young mango tree fertilization method can be used “a tip a fertilizer” or “a tip two fertilizer” approach. Make it as soon as possible to form a better crown. The amount of fertilizer needs to be determined according to the soil fertility and tree potential of each region. Generally increase with the age of the tree. The first year of young trees from April to October, a total of 7 to 10 times fertilizer. In the second year, fertilizer is applied 9 times throughout the year, mainly to promote the top of the tree.

Another method of fertilization is to apply fertilizer every 1~2 months. The yearly fertilization 4~5 times, i.e. once in March, May, July and September. stop fertilizing from November to January. In order to avoid promoting the development of winter tips and produce frost damage.

The above fertilization method is best applied after the fertilizer is blended into a water solution. If you can replace the fertilizer with clean manure water, it is more effective. Young mango trees should be fertilized with the age of the tree and increase the amount of fertilizer every year, the amount of increase according to the tree’s potential.

B、Fruit-bearing trees

It is more important to maintain the relative balance of nitrogen and potassium fertilizer for fruit-bearing trees. The growth and development of fruit of adult mango trees need a lot of nutrients. The amount of fertilizer applied to mango trees varies from country to country. Even in the same country, the amount of fertilizer applied varies greatly from region to region. This is due to different soils, climatic conditions and different economic bases, etc. The third year after planting February-August a total of 9 times fertilizer.

1、Flower promotion, strong flower fertilizer

The purpose of fertilization is to improve the nutritional level of mango trees, promote the development of flower spikes and small flowers, increase the proportion of bisexual flowers, improve the fruit rate. Master “see flowers chasing fertilizer”, that is, where 50% of mango trees have been drawn out of the flower spikes, are a fertilization. In December to March of the following year, that is, the bud to flowering period to apply. In the mango tree vigorous, warming fast, fertilization too early easy to induce a lot of nutrient branches or mixed flowering branches, and reduce the amount of flowers. Foliar spraying boron fertilizer or foliar fertilizer during the flowering period.

2、Strong fruit fertilizer

Strong fruit fertilizer in May to June, young fruit rapid expansion period. The purpose is to meet the nutrient needs of fruit development. The amount of fertilizer according to the tree and the amount of hanging fruit. The tree is vigorous, hanging fruit less can be less or not. Otherwise, it is easy to produce summer tips and intensify fruit drop. Weak trees, hanging fruit can increase the amount of fertilizer. In early April, apply urea, compound fertilizer and potassium sulfate. In late April, apply potassium sulfate and peanut cake. While in early May, apply compound fertilizer and urea. At present, the market with more compound fertilizer, which is produced by the company Nagric.

3、Fertilizer before and after harvesting

Before and after fruit picking fertilizer is the focus of fertilization throughout the year. The amount of fertilizer should account for 70-80% of the total annual fertilization. Divided into two applications. The first time can be applied in mid-August or early September. Can restore the mango tree momentum, to ensure that the autumn tips in a timely manner, and robust growth. Fertilizer application followed by timely irrigation. The second application of fertilizer can be in the last autumn leaves began to turn green. Generally in mid-October to December into. The fertilizer is mainly phosphorus and potassium, using foliar spraying combined with soil fertilization method. The purpose is to promote the last autumn tips in time to stop growing, accumulate nutrients and enter the bud differentiation state. Fertilizer can be organic fertilizer, phosphorus fertilizer for the whole year amount of 1 application down. After harvesting, apply farmyard manure.

C、The late mango irrigation and drainage

1、Irrigation

Late mango irrigation in the first half of December once. This irrigation we can combine with the application of a small amount of fertilizer to promote flowering. At this time irrigation of mango trees, irrigation must be sufficient, irrigation. Entering February to May, this period is the mango flowering and first fruit, but also the most dry weather season. In case of more than 10 days of continuous dry weather, we need to irrigate in time to keep the soil moist. At least once every 15 to 20 days. For young trees of 2 to 3 years old, irrigate every 15 days from November to February each year. From March to May, irrigate once every 7-10 days.

2、Drainage

Drainage is especially important in the rainy season for low-lying areas and gardens with heavy clay or weedy soil. We need to clean the drains, remove weeds, and cultivate the tree trays before the rainy season.