How to fertilize pineapple effectively?

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

1. Base fertilizer: it is the material basis to ensure a good growth of the plant 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, add proper amount of chemical phosphorus, potassium, magnesium fertilizer.In red soil and brick-red soil with low nitrogen and calcium available phosphorus, 3.5 to 4 tons of manure, 150 to 200 kg of superphosphate, l5-20 kg of potassium sulfate, and 0.8 to 1 kg of 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 quality in the next year. Therefore, it is said that "one base wins three chase".Apply first in the base 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.Generally, each mu is applied with 2-2.5 tons of miscellaneous soil fertilizer, 20-25 kilograms of NPK compound fertilizer, and 25-30 kilograms of cake fertilizer.Earth up immediately after application.

3. Topdressing:

1) strong bud fertilizer.After fruiting, doral was mixed with water and applied to the root soil or the base of the petiole to promote the growth of suckers.

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

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

4) the strong fruit promotes the bud fertilizer.In the 4-5 months after flowering and small fruit expansion, mainly potassium and phosphate fertilizer, combined with a small amount of nitrogen fertilizer, with the annual amount of fertilizer l/5, in the stem foot furrow dry application or with doule blunt application.

4. Foliar fertilization: due to the special water storage structure and absorption function of pineapple leaves, 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 fat treasure, dol and calcium fertilizer.In may, June and July, each leaf was sprayed with stotolol 1-2 times a month, which can significantly improve the sugar content and flavor of the fruit