In addition to applying sufficient base fertilizer before planting, the new planting banana garden starts to fertilize when two new leaves are drawn. Generally, 100-150 kg of bio-organic fertilizer per mu is applied, 3-4 times of water is applied, and water and fertilizer are applied about 4 times in the first half of the year. . From August to September, after extracting the strong and vigorous leaves, apply heavy fertilizer and apply 3--5 kg of bio-organic fertilizer to promote budding before October. For the banana plants that were unable to catch up with the buds and fruits that year, it is required that the height of the banana plants be more than 1 meter before the winter growth stops to ensure that the next year will be planted. The application of fertilizers should be controlled for plants with large seedlings overwintering.

The focus of fertilization in the old banana garden is in the first half of the year, providing sufficient nutrients for flower bud differentiation and fruit development. The flower buds are fat feet before differentiation, and there are many female flowers that differentiate. During the fruit development period, the fertilizer is sufficient, the fruit grows quickly, the yield is high, and the buds are also strong, which lays the foundation for a high yield in the coming year. Generally, fertilizer is applied 5 times a year.

The first time it was root fertilizer. It is applied before the banana plant has a large number of new roots after the winter (around the beginning of spring) to promote the growth of new roots and accelerate the growth of new roots and shoots. Apply 3-5 kg of bio-organic fertilizer, with 100 g of urea, and apply it around 20 cm from the banana head.

The second time was exuberant fat. Apply it in the vigorous growth period of the plant (before and after Qingming). This is the period when the most fertilizer is needed, and heavy fertilizer must be applied. Applying 5--10 kg of bio-organic fertilizer, combined with 100 g of urea and 200 g of potassium sulfate, promotes the plant to draw 5-6 leaves per month, produce and accumulate more nutrients, so as to establish flower bud differentiation and yield basis.

The third time is to fatten the head. When the plant begins to form the heads (the flower bud differentiation period begins) (the plant is making bananas from June to July). Applying 5 kg of bio-organic fertilizer to the plant can promote the differentiation of flower buds and early budding, which has a significant effect on increasing fruit segments and single fruit weight.

The fourth time is before the fruit. Apply before the mother plant is harvested. Apply 3 kg of bio-organic fertilizer to promote the rapid growth of sucking buds.

The fifth time is over cold fat. When applied between October and November, apply 2-3 kg of biological organic fertilizer, and apply it in a shallow trench at 50 cm from the banana head, then cover the soil, keep it warm and moisturize, to enhance the cold resistance of sucking buds.