Mango high yield and skillful fertilization
2020-08-15 05:12:38
Fertilization is an important part of management technology. Some fruit farmers think that mango fertilization is not the same as fertilization. In fact, if it is not fertilized, the plant will be weakened and the flowers will be less.
1. Fertilization before and after fruit picking: In this period, heavy fertilizer should be applied to make the plants supplement nutrients in time after harvesting, and timely pumping, laying the foundation for the results of the coming year. The fertilization is based on organic fertilizer and combined with quick-acting fertilizer. At this time, the green manure is strong, and it can be combined with deep-expanding and deep-growing. Two fertilization ditches with a length of 120 cm, a width of 45 cm and a depth of 60 cm are symmetrically dug under the leaf curtain of each tree, filled with green manure, mixed with 15-20 kg. Manure or compost, 0.5-1 kg of superphosphate. When the tree is weak, 0.5 kg of quick-acting nitrogen fertilizer (or a pile of manure water) is applied, which has a effect on the recovery of the tree after fruit picking and the subsequent flower bud differentiation.
2. Flower Fertilizer: Mango flower bud differentiation is about 11-12 months. It should be 15-20 kg for each tree in October-November, and 0.5-1 kg for compound fertilizer (such as nitrate) to promote flower bud differentiation. .
3. Zhuanghuafei: From January to March, it is the flower bud development and flowering stage. It can apply quick-acting nitrogen fertilizer (such as manure water, urea, ammonium sulfate, etc.) to promote flower bud development and increase flowering rate.
4. Strong fruit fertilizer: April-May is the rapid growth period of the fruit, and it is also the period of rapid growth of spring. At this time, insufficient nutrients can cause a lot of fruit drop. Nitrogen and potassium fertilizers can be applied according to the plant sampling and results to balance the nutrient requirements of branch growth and fruit development.
Note: When applying fertilizer, we must remove the weeds in the root ring to reduce nutrient consumption.
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