How to fertilize pineapple effectively?

Pineapple fruit quality, rich nutrition, with heat quenching thirst, xiaoshi zhixie, spleen and stomach tonic, solid vitality, benefit qi and blood, xiaoshi, clearing damp, beauty slimming and other effects, for the summer medicine and excellent seasonal fruit, but also should not eat too much.

1. Base fertilizer: it is the material basis for ensuring good plant growth after planting, and requires large amount of fertilizer, complete elements, high concentration and harmonious proportion.Use manure, compost, soil compost, waste compost, green compost, cake compost after retting processing can be applied, add appropriate amount of chemical phosphorus, potassium, magnesium fertilizer.In red soil and brick red soil with low available phosphorus and low nitrogen and calcium, 3.5-4 tons manure, 150-200 kg calcium superphosphate, l5-20 kg potassium sulfate and 0.8-1 kg magnesium sulfate were applied together with two topsoil and mixed well.

2. Base fertilizer: the basic fertilizer for the growth and development of pineapple in one year is the material condition to ensure the high yield and high quality in the next year. Therefore, it is said that "one base wins three catches".Apply in the first foot or between the lines to open a good fertilizer ditch, the dead leaves, fruit stalks, weeds or green fertilizer pad in the bottom of the ditch, and then apply mixed with two topsoil fertilizer and fertilizer farmers.Generally each mu of soil fertilizer 2-2.5 tons, nitrogen, phosphorus and potassium ternary compound fertilizer 20-25 kg, cake fertilizer 25-30 kg.Earth up immediately after application.

3. Top dressing:

1) strong bud fertilizer.In order to promote the growth of succulent buds, the root soil or the base of petiole was added with water after the fruit was harvested.

2) fat before flowers.Before the differentiation of flower bud, l1 month was applied, 2-2.5kg manure, 20-30g urea and 40-50g superphosphate were applied on each plant to promote the differentiation of flower bud, increase the number of layers of flowers and enhance the cold resistance of the plant.

3) promote bud growth.In January, ditch in the stem base and apply mainly phosphorus and potassium fertilizer, mixed with half of the farm fertilizer, applying 0.8-1kg per plant, to promote the bud hypertrophy and lay a material foundation for increasing the fruit:

4) the strong fruit promotes the bud fertilizer.During the 4-5 months after flowering and small fruit growing period, potassium and phosphate fertilizer were applied, together with a small amount of nitrogen fertilizer, with the amount of fertilizer accounting for l/5 of the annual amount of fertilizer applied, and the dry application at the stem foot furrow or with doule blunt application.

4. Foliar fertilization: due to the special water storage structure and absorption function of the leaves of pineapple, foliar fertilization has a particularly good effect, especially when it is inconvenient to apply fertilizer in the rhizosphere after plant sealing, foliar fertilization is an important way to replenish fertilizer.Nutrition growth period to nitrogen fertilizer, reproductive growth period to potassium, phosphorus for the second, can be sprayed on the surface of the famous big fertilizer bao, dol and calcium fertilizer.In may, June and July, each leaf was sprayed with dol 1-2 times a month, which can significantly improve the sugar content and flavor of the fruit