Scientific fertilization can reduce cotton buds

The vegetative growth of cotton (root, stem, leaf growth) and reproductive growth (the growth of buds, bells, and flocs) are uncoordinated, resulting in an imbalance in the supply, transportation, and distribution of photosynthetic products in cotton plants, causing cotton buds and bells to fall off. important reason. Controlling cotton growth is an important means to reduce the loss of cotton buds through comprehensive measures centered on fertilization. Practice has proved that controlling the growth of stems and leaves in the early stage of cotton, setting up a high-yield shelf in the middle stage, making it stable, and preventing premature aging in the later stage is an effective way to reduce the falling off of the middle and lower buds. Therefore, in addition to rational close planting and enhanced water management, scientific fertilization is the key. Generally, mastering the seedlings and applying seedlings, in addition to applying nitrogen fertilizer, it is also possible to apply appropriate amount of phosphorus and potassium fertilizer as appropriate to prevent excessive growth of stems and leaves, avoid premature closure, and facilitate multiple bells in the middle and lower parts; And the application of organic fertilizer is appropriate, so that the nutrient is gradually released, control the cotton plant to be stable, so that the vegetative growth and reproductive growth are coordinated, which is conducive to the pursuit of light, can produce more organic nutrients, to meet the needs of vegetative growth and reproductive growth. Re-apply flower and bell fertilizer to prevent premature aging, when cotton plants have been transferred from vegetative growth to reproductive growth, most of the organic nutrients have been distributed to the reproductive organs, and a small amount of quick-acting nitrogen fertilizer should be applied. In addition, certain plant hormones (such as chlormequat) also play an important role in regulating the transport of photosynthetic products. Because hormones can promote the transportation of organic nutrients to the developing young bells, this is conducive to the development of young bells, and the shedding is significantly reduced.

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