Recently, senior experts and relevant technical personnel of the Cotton Plantation Professional Committee of China Rural Technology Association came to Group 8 of Shajing Village, Danggang Town, Xiaonan District, Xiaogan City, Hubei Province, to teach cotton planting technology to more than 30 farmers who gathered here. And ask the experts to diagnose on the spot. Some farmers have suggested why the cotton is so good, and there are so many buds, flowers and young bells in the ground. Experts analyzed that this was because from July 12 to 13, the southern cotton area generally fell to heavy rain. There were many places with rainfall of nearly 200 mm. The roots of cotton were damaged by lack of oxygen in the water, and the fertilizer could not be provided normally. And moisture, so that it can take off a batch of buds, flowers and young bells. This is a natural physiological phenomenon in which cotton regulates itself for survival. It is not uncommon for cotton to grow 50%~60% of buds, flowers and young bells during their lifetime. Only the peak of shedding appears at different times.
Some farmers have asked if they can still pursue fattening and how long can they pursue? Experts say that the fertilizer that is chased after a large amount of cotton is called peach fertilizer, one can be topdressed from the ground, and the other can be sprayed outside the root. The ground top dressing depends on the cotton seedlings to determine that there are 8~10 peaches in a single plant. It should be based on topdressing urea. The amount of urea should be 15~20 kilograms per acre. It is best to use acupoints and waste. Too big, one is easy to lose rain, and the other is easy to volatilize from the air. At this time, apply some urea in the right amount without worrying about the cotton madness. Because the cotton has a lot of peaches, the direction of nutrient transport has changed. When the cotton sits on the peach, the nutrients are mainly transported to the main stem growth point, so it is easy to do well. long. After the cotton sits on the peach, the nutrient transport turns to the peach and the young bell of the fruit branch, which in turn causes the cotton plant to grow more and more peach. Cotton with a small amount of peach per plant should be mainly applied with compound fertilizer, 15 kg per mu of compound fertilizer, 10 kg of urea per mu per serious de-fertilization, and 10 kg of potassium fertilizer should be added to promote cotton. Add more peaches, big peaches, spit and smooth flowers. The time for topdressing on the ground can be completed before the beginning of autumn.
However, the top dressing can still be carried out continuously. The time can be extended from late August to early September. At present, 0.1%~0.15% of Boron and other boron fertilizers and 0.2%~0.3% potassium dihydrogen phosphate and 1 can be sprayed. The potassium sulfate solution, etc., is then sprayed with 1% to 2% of the urea solution. These fertilizers can be sprayed separately or mixedly, and sprayed together with the pesticide. (Yu Hongzhang, Senior Agronomist, Agricultural Bureau of Xiaogan City, Hubei Province)
Farmers Daily
Some farmers have asked if they can still pursue fattening and how long can they pursue? Experts say that the fertilizer that is chased after a large amount of cotton is called peach fertilizer, one can be topdressed from the ground, and the other can be sprayed outside the root. The ground top dressing depends on the cotton seedlings to determine that there are 8~10 peaches in a single plant. It should be based on topdressing urea. The amount of urea should be 15~20 kilograms per acre. It is best to use acupoints and waste. Too big, one is easy to lose rain, and the other is easy to volatilize from the air. At this time, apply some urea in the right amount without worrying about the cotton madness. Because the cotton has a lot of peaches, the direction of nutrient transport has changed. When the cotton sits on the peach, the nutrients are mainly transported to the main stem growth point, so it is easy to do well. long. After the cotton sits on the peach, the nutrient transport turns to the peach and the young bell of the fruit branch, which in turn causes the cotton plant to grow more and more peach. Cotton with a small amount of peach per plant should be mainly applied with compound fertilizer, 15 kg per mu of compound fertilizer, 10 kg of urea per mu per serious de-fertilization, and 10 kg of potassium fertilizer should be added to promote cotton. Add more peaches, big peaches, spit and smooth flowers. The time for topdressing on the ground can be completed before the beginning of autumn.
However, the top dressing can still be carried out continuously. The time can be extended from late August to early September. At present, 0.1%~0.15% of Boron and other boron fertilizers and 0.2%~0.3% potassium dihydrogen phosphate and 1 can be sprayed. The potassium sulfate solution, etc., is then sprayed with 1% to 2% of the urea solution. These fertilizers can be sprayed separately or mixedly, and sprayed together with the pesticide. (Yu Hongzhang, Senior Agronomist, Agricultural Bureau of Xiaogan City, Hubei Province)
Farmers Daily
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