Cotton scientific fertilization technology

In cotton planting, there are widespread fertilizers, but cotton production has declined. This is because the farmers do not understand the fertilizer requirements of cotton, and the unreasonable fertilization is not only a waste of fertilizer, but also causes low cotton yield and poor quality. Cotton farmers have the following important points in fertilization:
First, select the type of fertilization: on the basis of applying nitrogen fertilizer, increase the amount of phosphorus and potassium fertilizer, in order to enhance the disease resistance of cotton, prevent early premature aging, and increase cotton yield.
Second, determine the reasonable amount of fertilization: it is best to combine the soil testing formula fertilization technology, follow the advice of the technical staff, scientific and rational fertilization.
Third, grasp the cotton fertilization period: cotton farmers should understand the cotton fertilizer requirements, apply the seedling fertilizer, bud period fertilizer, flower bell fertilizer and the later foliar spray fertilizer.
Fourth, master the correct fertilization method: In the fertilization, the method of embedding should be adopted to improve the utilization rate of fertilizer, avoid too close to the root, and prevent the occurrence of fertilizer rooting or mechanical damage, causing premature aging of cotton and affecting yield.
5. Pay attention to the application of micro-fertilizer: in the cotton field lacking boron, zinc and calcium, the application of trace element fertilizer should be applied. At the same time, during the initial flowering and flowering and ringing period of cotton growth, Tianfengsu can be sprayed to reduce the loss of cotton buds. To increase cotton production.

Huaxian Agricultural Technology Promotion Center Lu Shuguang

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