Recently, the weather in the Korla region of Xinjiang has been fine, with temperatures ranging from 17 to 34 degrees Celsius, which is suitable for cotton growth. Since late May, the plant height of local cotton seedlings has generally been 12-20 cm, with 4-8 true leaves, and some early-sown cotton has already budded. At present, it is a critical period for cotton field management. In order to strive for more cotton buds, larger buds, and early flowering, farmers carry out necessary physical and chemical control work based on the growth of cotton seedlings and soil fertility.
Local cotton farmers said that in the near future, cotton fields that have experienced drought conditions and weak cotton seedlings will be dripped with water to promote cotton seedlings to bud as soon as possible. In principle, for some normal and prosperous cotton fields, there will be no drought or drip. Cotton fields are generally dripped with appropriate amounts of fertilizer, and water is generally dripped 1-2 times during the budding period.
It is understood that cotton fields with normal growth should start spraying mediamine at 7-8 leaves. Spraying mediamine is based on the conditions of the seedlings, and a combination of light control and diligent control is achieved to promote the growth of cotton seedlings. Photosynthesis shifts to the direction of reproductive growth, reducing boll shedding and increasing the number of bolls formed. At the same time, cultivating work is also indispensable. We adhere to the principle of plowing after rain and plowing when there is plenty of grass. Through cultivating, we can disperse moisture, increase ground temperature, promote root growth, and cultivate strong seedlings. Especially for weak or stiff seedlings, the frequency and depth of cultivating should be increased.
Every period of cotton growth is indispensable for the prevention and control of pests and diseases. During the bud stage, prevention and control of pests and diseases such as cotton bollworm, cotton spider mite, cotton aphid, and Lygus gossypii must be done. Late sowing and re-sowing and insufficient planting must be carried out. In the cotton fields with true leaves, continue to do a good job in preventing and controlling thrips.
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