Ditch the soil. After the cotton film is uncovered, combined with cultivating loose soil for ditching and soiling, it is conducive to watering and drainage, preventing drought and flooding, facilitating ventilation in the lower part of the cotton field, reducing humidity and increasing the temperature difference between day and night, which is conducive to the improvement of cotton field microclimate. It has a role in preventing rotten bells and lodgings and promoting roots and roots.
Pruning topping. Spraying the Huahua No. 3 cotton topping agent can force the top of the cotton to return to the development of the cotton peach, weakening the top advantage until the top stops growing. Instead of artificial topping.
Timely topdressing. On the basis of applying the base fertilizer, scientific topdressing: balanced application of nitrogen, potassium, urea, phosphate fertilizer, etc., pay attention to not too close to the cotton plant when fertilizing, to avoid letting the weakened roots suffer further damage, causing wilting. At the same time, it can be combined with foliar spray fertilizer, mainly nitrogen and potassium fertilizer. When spraying, the fertilizer liquid is sprayed evenly on the back of the upper part of the cotton plant to promote better absorption of nutrients. The principle of cotton topdressing is not to overdo it before flowering, and do not remove fertilizer after flowering. At the end of the period, two times of quick-acting potassium fertilizer is very important for the upper multi-ringing, knotting, and vomiting, and spraying cotton Zhuangting at the cotton bud stage, the young boll stage, and the cotton swell period to increase the expansion of the cotton bud. Control the pumping strips to be long and prevent the cotton peach from falling off.
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