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Best NPK fertilizer for pineapple

VIEWS: times Release Date:2020-05-28

Pineapples are tropical perennial evergreen plants with high yields and large nutrient requirements. According to research, the production of 2000 kg of fruit requires 7.5 to 14.0 kg of nitrogen, 2.1 to 3.1 kg of phosphorus, 14.7 to 41.6 kg of potassium, 6.1 to 14.6 kg of calcium, and 0.5 to 1.6 kg of magnesium. The absorption ratio of nitrogen, phosphorus and potassium is different in different growth periods, the vegetative growth period is 1: 0.6: 1, and the flowering and fruiting period is 1: 1.4: 3.9. It can be seen that pineapple needs higher nitrogen and potassium. Moreover, with the progress of the growth period, the proportion of phosphorus and potassium has increased significantly, especially potassium, which is in great demand.

Best NPK fertilizer for pineapple

1. Apply more basal fertilizer


The base fertilizer is the largest amount of fertilizer required for the whole growth period of pineapple. Because it needs to meet the growth needs of the pineapple for at least one year, the base fertilizer plays a very important role in the entire growth process of the pineapple. Only by applying sufficient base fertilizer, the output of pineapple can be guaranteed. We usually use farm rot or organic fertilizer as the base fertilizer. Of course, appropriate amounts of nitrogen fertilizer, phosphate fertilizer and potash fertilizer can be mixed in the middle. A reasonable mix, or it will be counterproductive.


2. Apply seedling fertilizer frequently

Best NPK fertilizer for pineapple

Pineapple seedlings need to grow to a certain period before they can grow pineapples. Its growth period needs at least six or seven months, so we can use less fertilizer each time, but it must be applied diligently, so that we can better grasp the pineapple growth. The cost of nutrients. For example, it is applied once when the pineapple seedling grows about nine leaves, once when it is twenty leaves, and finally once before flowering. The first and second times are mainly nitrogen fertilizers, phosphate fertilizers, and potassium fertilizers. Auxiliary, the third time is mainly based on potassium fertilizer, supplemented with phosphate fertilizer, nitrogen fertilizer, do n’t forget it, because if the nitrogen fertilizer is applied for the third time, the flowering period will be delayed, so the best result period is missed.


3. Scientific flower fertilizer

Best NPK fertilizer for pineapple

If there is no problem with the seedlings and fertilizers, then the flowering period is generally in December, then we can apply the fertilizer at the end of November, of course, we can apply it again in December, but if it is at the end of November If you start to apply flower fertilizer, it can promote the flowering period, increase the fruit setting efficiency, and protect the fruit well, and the fruit drop phenomenon will be greatly reduced. We can irrigate with urea and potash in a one-to-one ratio, so that the fruit produced is relatively stable in size and looks very neat.


4. Reasonable fruit fertilizer

Best NPK fertilizer for pineapple

Fruit fertilizer is a crucial step, because it not only determines the output and quality of pineapple this year, but also determines the resistance of the plant in the coming year and the yield of the next year, so our fertilization must be scientific and reasonable this time, which can guarantee this year. The yield can increase plant resistance. We normally use potassium fertilizer as the main fruit fertilizer, and spray it with an appropriate amount of boron fertilizer, which can not only achieve the effect of strengthening the fruit, but also can be ripened to shorten the growth period. Secondly, we can also spray the appropriate amount of Gibberella Vegetarian guarantees the weight of the fruit.


5. Reapplying nutrition

Best NPK fertilizer for pineapple

The curing fertilizer is actually equivalent to the base fertilizer in the second year, so the curing fertilizer needs to be reapplied and must be applied. We apply the curing fertilizer one to two weeks after the pineapple is harvested. However, this time mainly potash and nitrogen fertilizers are mixed with water and then irrigated, which is conducive to plant absorption.


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