MySheen

Plastic film mulched cotton should be prevented early from strong lodging and premature senescence.

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, In the process of planting plastic film cotton, many cotton farmers are prone to some technical mistakes, resulting in cotton plant lodging and premature senescence. The former is caused by uncovering the film too late, while the latter is caused by untimely or insufficient topdressing. Therefore, the following measures should be taken in time: timely removal of plastic film. In the early stage, the absorption capacity of plastic film mulched cotton to fertilizer and water is much stronger than that of direct seeding cotton. If plastic film is removed timely and field management is strengthened, plastic film mulched cotton can give full play to its advantages. If the plastic film is uncovered late or not, it is not conducive to the root system of cotton plants. Make most of the roots distributed in the upper layer of the soil.

In the process of planting plastic film cotton, many cotton farmers are prone to some technical mistakes, resulting in cotton plant lodging and premature senescence. The former is caused by uncovering the film too late, while the latter is caused by untimely or insufficient topdressing. Therefore, the following measures should be taken in a timely manner:

Remove the mulch at the right time. In the early stage, the absorption capacity of fertilizer and water of plastic film mulched cotton is much stronger than that of direct seeding cotton, if plastic film can be removed timely and field management can be strengthened, plastic film mulched cotton can give full play to its advantages; if plastic film is uncovered late or not, it is not conducive to the root system of cotton plants. as a result, most of the roots are distributed in the upper layer of the soil, the supporting capacity of cotton plants is poor, and it is very easy to lodge. Therefore, the plastic film must be removed at the right time to promote root ligation, and the most suitable time to uncover the film is the early flowering stage.

Apply fertilizer quickly. As the development process of plastic film cotton is 20 to 30 days earlier than that of direct seeding cotton, all management measures should be taken earlier, especially if Hualing fertilizer is applied quickly, 10 kg of urea or 10 to 15 kg of ternary compound fertilizer can be applied per 667 square meters. Potassium-deficient cotton fields should also be increased by 5 to 10 kg of potash fertilizer for every 667 square meters.

Promote the balanced growth of cotton plants. Plastic film cotton as a result of rapid development, easy to grow crazy, we must take corresponding measures to make its balanced growth: 1, after entering the full bud stage, every 667 square meters with 2 to 3 grams of metrode, or 8 to 12 milliliters of zhuangsu, plus 40 kg of water spray. 2. Pay attention to topdressing in time after spraying regulator. After spraying the regulator, the cotton leaf color soon turned to thick green, but at this time can not ignore the latent problem of de-fertilization, the fertilizer should still be topdressing. At the same time, we should also pay attention to remove the residual film after opening the film, so as not to affect the cultivation of soil in the middle tillage and the management of the following crop.

 
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