Early in early August, many grass-roots cadres and cotton farmers in cotton districts reported that some farmer's cotton crops appeared in front of them, and some showed a mad tendency. After applying the delayed-plant growth regulator, dilute amine, due to the excessive concentration, After the plant was exposed to high temperature and drought, the cotton plant type was compact, the leaves were concentrated, the branches and leaves did not open, there was no new growth of young buds, and the cotton growth was significantly inhibited. I do not know what to do? In the course of the application of chemical control technology to cotton, the problem of overdose of concentrated amines occurs every year, but this year's performance is most prominent. In order to alleviate the contradictions that inhibit the birth of cotton, in view of past experience, the following methods can be used to resolve. One is spraying Huimanfeng active liquid fertilizer. The humic acid and salts containing chelating properties and multiple compound fertilizers have high activity, high energy, and high balance. They can balance the growth and development of crops and have a detoxifying effect. Each mu with Huimanfeng active liquid fertilizer 500 times sprayed one time, or 1000 times spray twice, the interval time is about 7 days. The second is to spray plant growth promoter "802". It is a kind of plant cell activating agent that can quickly penetrate into plants and promote cell division and proliferation. It can spray “802†4000 times solution 2-3 times per acre. The third is the spraying of gibberellin (902). It promotes the synthesis of enzymes, promotes cell elongation, accelerates the growth and development of cotton plants, and is applied at a concentration of 10-20 g/L. The fourth is to strengthen fertilizer and water management. In the case of high temperature and drought, it is necessary to fight drought in time and adjust fertilizer with water so that the applied fertilizer can fully play its role. The fifth is that the spraying operation should be carried out in the cotton field with lyrics and when the stomata of the cotton leaves are opened in the morning and evening. The spraying should be sprayed on the opposite side of the leaves. China Agricultural Network Editor
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