How is the grapefruit tree fertilized?

Grapefruit is a sweet and sour delicious fruit, not only rich in nutrition, but also medicinal value, loved by everyone.When planting pomelo tree, we need to pay attention to the fertilization of pomelo tree is not the same as other plants, can be from small to large one kind of fertilizer or with the same way of fertilization, specific pomelo tree is how to apply fertilizer?

How does pomelo tree young tree apply fertilizer

The root system of seedling without fruit has shallow distribution and weak ability of absorbing fertilizer.Fertilize once a month from march to July and November.Among them, spring shoot fertilizer in March, summer shoot fertilizer in May and winter fertilizer in November are indispensable.

Young trees are mainly organic nitrogen fertilizer, such as human excrement and urine, rotten manure, cake fertilizer, combined with the right amount of urea fertilizer.

How does the pomelo tree fertilize its adult tree

Adult fruit trees were mainly fertilized to achieve high quality, high yield and stable yield, and to regulate the relationship between vegetative growth and reproductive growth.Fertilizer should be applied at least 3 times a year.Germination accelerating fertilizer: 10-15 days before germination in early march, the fertilizer was mainly applied with fast-acting nitrogen fertilizer and appropriate amount of phosphate and potassium fertilizer to promote the extraction of spring shoots with large quantity and good quality.This fertilization relates to the current and next year's yield, must be timely, early and adequate.

Techniques for fertilizing pomelo trees

The amount of fertilizer application accounts for about 30% of the whole year, and the general plants are applied with about 0.50-0.75kg urea and 0.25kg superphosphate.Zhuangguo fertilizer: from June to August, zhuangguo fertilizer was applied during fruit expansion, with nitrogen as the main fertilizer and phosphorus and potassium as the auxiliary fertilizer.Fertilizer amount accounts for about 30% of the year, the specific should be the number of hanging fruit to decide.Hanging fruit much, large amount of fertilizer, can be in June, August two times, the general plant urea, compound fertilizer 0.5kg or 0.75kg urea, calcium superphosphate, potassium chloride 0.25kg each.Hanging fruit less discretion or not strong fruit fertilizer, in case of fierce autumn shoot.

Fruit-picking fertilizer: applied in early November, the application amount accounts for about 40% of the whole year.The growth of pomelo fruit consumes a lot of nutrients, which needs to be supplemented in time to restore the tree potential, improve the ability to withstand cold and overwinter, and promote flower bud differentiation, laying a foundation for the growth and results in the next year.Fruit fertilizer should be combined with quick - acting fertilizer, organic fertilizer, nitrogen fertilizer and phosphate fertilizer.General plant application urea, compound fertilizer 0.5kg each, cake fertilizer 5kg, soil fertilizer such as waste 100kg.In addition, can also be combined with the right amount of spray urea, phosphate dioxy potassium for root topdressing, timely supplement tree for nitrogen, phosphorus, potassium needs.