Field Management Technology of Cotton at Bud stage
In order to build a high-yield frame of cotton, according to the growth characteristics of cotton at bud stage, and in view of the production situation that there are more late-planted cotton and uneven growth this year, the following technical measures of field management are put forward:
First, make clear the guiding ideology and the main target guiding ideology: seize the opportunity to strengthen science and technology, reduce humidity, increase temperature and promote root development, improve nutrition and plant type, and promote fitness to seek balance. Main target: grow steadily and grow steadily, strong plants increase buds.
Second, highlight the key points of field management and strictly control the key technologies.
The main contents are as follows: 1. To improve the tail-cleaning work of the upper compartment of deep ploughing and high ploughing, and as an important measure of the current field management, we should focus on carrying out the ploughing of cattle ploughs.
2. Focus on the deep application of big nest fertilizer, improve the nutritional status in an all-round way, and promote the ploughing and upper compartment with big nest fertilizer.
Early time is required for ①. The whole county will ensure that the big nest will be fully finished by June 20.
② highlights the "triple". Heavy application of phosphate fertilizer, potash fertilizer and organic fertilizer
③ scientific collocation, formula fertilization. Early planting and early development applied 5 jin of urea fertilizer per mu, individual prosperous growth did not apply urea fertilizer, cotton was planted late after wheat, urea fertilizer was applied 8 jin per mu, and those who had used urea fertilizer to lift seedlings after transplanting were no longer applied urea fertilizer. Phosphate fertilizer 70-80 jin per mu, ternary compound fertilizer 30-50 jin per mu
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6 points must be caught at the bud stage of cotton
Proper watering due to less rainfall and hot weather in northern China in mid-late June, it should be properly watered, but not too much, so as not to cause cotton to flourish and cause buds to fall off. Ploughing should be done in time after watering or heavy rain to promote the root system of the plant. Topdressing to promote weakness is generally applied every 667 square meters of urea 5kg, potassium chloride 15kg 20kg, zinc sulfate 1kg, borax 1kg, in order to promote the plant to build a high yield shelf. When applying fertilizer, the fertilizer should be trenched and applied deeply about 15 cm away from the plant. Topdressing at bud stage should take care of the weak.
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Strengthen the culture tube at the bud stage of cotton
After transplanting cotton this year, there was continuous drought and little rain, the temperature was unstable, and the squatting time was long, which seriously affected the growth of cotton plants. in addition, aphids and red spiders occurred in a large number and seriously harmed, resulting in the emergence of secondary squatting seedlings, a small number of cotton seedlings with red stems to the top, and true leaves dry and shedding. Recently, Rain Water alleviated the drought, and the seedling condition began to transform. The interplanting of cotton had 7 or 9 true leaves and began to bud, and the cotton also began to grow after wheat (oil), but the overall seedling condition was not as good as in previous years. The bud stage is the most important period in cotton life, so we should focus on the following measures.
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