How to fertilize pineapple effectively?

Pineapple fruit has good quality and rich nutrition, which can clear heat and quench thirst, eliminate food and diarrhea, nourish spleen and stomach, strengthen vitality, benefit qi and blood, eliminate food, clearing damp, nourish beauty and slim down, etc. It is a seasonal fruit with excellent health in summer, but it should not eat too much at one time.

1. Base fertilizer: it is the material basis to ensure the good growth of the plant after planting, which requires large amount of fertilizer, complete elements, high concentration and harmonious proportion.Manure, compost, soil manure, compost, compost, compost, compost, compost, compost, compost, compost, compost, compost, compost, compost can be used, chemical phosphorus, potassium, magnesium fertilizer.For the red soil and red soil with low nitrogen and calcium available phosphorus and low calcium and calcium available phosphorus, we applied manure 3.5-4 tons, 150-200 kg superphosphate, l5-20 kg potassium sulfate, 0.8-1 kg magnesium sulfate in mu of land, mixed them together with two parts of topsoil, applied them into the ditch, and planted seedlings.

2. Base fertilizer: provide the basic fertilizer for the growth and development of pineapple in one year, which is the material condition to ensure the next year's high yield and high quality. Therefore, it is said that "one base is better than three".Apply first in the foot or row open a good fertilizer ditch, put the dead leaves, fruit stalks, weeds or green fertilizer pad in the bottom of the ditch, and then apply mixed with two topsoil of farm manure and fertilizer.Generally, 2-2.5 tons of miscellaneous soil fertilizer per mu, 20-25 kg of NPK compound fertilizer, 25-30 kg of cake fertilizer.Soil was immediately raised after application.

3. Top dressing:

1) strong buds and fertilizer.After the fruit is harvested, apply dolor mixed with water into the stem and foot soil or petiole base to promote the growth of suckers.

2) fat before flowers.Apply manure 2-2.5 kg, urea 20-30 g, superphosphate 40-50 g to each plant in l1 months before flower bud differentiation to promote flower bud differentiation, increase floret layer number and enhance cold resistance of the plant.

3) lei fertilizer promotion.In January, a ditch was opened in the stem base and applied, mainly phosphorus and potash fertilizer, half of the farm manure was mixed, and 0.8-1kg was applied to each plant to promote the growth of flower buds and lay a material foundation for the increase of fruits:

4) strong fruit accelerating germination fertilizer.Apply mainly potassium and phosphate fertilizer in 4-5 months after xie hua and in the period of small fruit expansion. Apply a small amount of nitrogen fertilizer, which accounts for l/5 of the annual amount of fertilizer. Open ditches in stem and foot or use dola irrigation.

4. Foliar spraying: due to the special water storage structure and absorption function of pineapple leaves, foliar spraying has a particularly good effect, especially when the rhizosphere fertilization is inconvenient after the plant is sealed, foliar spraying is an important way to replenish fertilizer.The main nutrient growth period was nitrogen fertilizer, the main reproductive growth period was potassium, and the second was phosphorus.In may, June and July, every leaf was sprayed with dolor 1-2 times per month, which significantly improved the sugar content and flavor of fruits