Fertilization management after harvesting of pineapple

The results of the wood pineapple are large, and the result period is long. From the flowering of the bud to the mature harvesting, the time is as long as 8 to 10 months, and the nutrient is consumed. After the fruit is harvested, the tree is weak. In order to speed up the recovery of the tree, ensure the normal flowering results in the second year, and obtain high yields, it is necessary to strengthen the management of fertilization after fruit harvesting to ensure adequate nutrient supply and improve the nutrient level of the tree. The specific practices are as follows:

After picking the fruit from the pineapple, combine the clearing garden to remove the weeds and litter from the plants, and then dig a depth of 50-60 cm, 30-40 cm wide and 80-length in the four directions of the plant. 100 cm deep trench. Apply 40-50 kg of decomposed waste fertilizer or soil fertilizer in the deep ditch, 25-30 kg of decomposed manure and poultry manure, 3 to 5 kg of superphosphate or calcium magnesium phosphate, 1.5 to 2 kg of chlorine. Potassium or potassium sulphate, mix all the fertilizer and the soil that has been dug and mix well, then fill it back into the ditch and bury the weeds and litter.

In addition, after harvesting the fruit from the pineapple, it is necessary to spray 2 to 3 times of 0.2% urea and 0.3% potassium dihydrogen phosphate mixture on the foliar surface, spraying once every 7 to 10 days, and spraying the wet leaves to drip water, preferably from the foliage. Supplementing nutrients is conducive to the recovery of the tree.

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