August 7 began to fall, and many farmers believe that "the autumn is up and everything is off." Due to the long-term drought and drought damage, cotton farmers have reflected some pessimistic feelings. Some believe that the previous stage of fertilization and the investment in pest control have not played a role in causing wastage. Some feel that reinvestment management and low cotton price are not worthwhile, and some say that No matter how good the management of cotton is, there is nothing to be done. These phenomena show that for the current management of post-disaster cotton, many farmers are still on the sidelines.
Experience has shown that for the post-disaster management of cotton, “Song is lost, and management is closedâ€. Therefore, you must not take it easy, and you must not take it lightly. It should be noted that cotton is a crop with a long growing period and strong plasticity. Although this year's cotton suffered a long period of time, suffered many disasters and suffered heavy losses, there was a large room for maneuvering in cotton production, and the compensation ability was strong. There are many points, and the early losses can be recaptured. Based on the following aspects:
From the fertility season, the effective growth period of cotton is still relatively long. Generally, the effective budding period is around August 15 and the effective flowering period is around September 10th. Effective bolling period can make full use of accumulated temperature to extend it. Loss of autumn peach peach compensation, Qiu peach insufficient autumn after the patch, there will be able to increase production.
Judging from the law of sitting on the peach, the rate of shedding of late-bore bells is relatively low, the peaches are fast and concentrated, and the rate of peach formation is high, and it is easy to form the advantage of apical peaches.
From the perspective of input and output, cotton has invested a lot in the early stage and has laid a foundation for a bumper harvest. Although there is less investment in the later period and the proportion of total investment is low, the input-output ratio is high, especially for peach fertilizer, and the input ratio is small. The effect of late-stage peaches is particularly great.
From the perspective of management content, the post-disaster cotton seedlings should be seeded, sprayed, washed, loosened, tamped, gasified, peach fertilizer, root dressing, thorough pruning, chemical control, and control of third-generation red bollworms. There are many tasks to be performed on behalf of H. armigera, either individually or separately.
From the standpoint of the benefits of cotton planting, the sown area of ​​the country has decreased this year compared with the previous year. Some areas have been damaged due to the disaster, cotton production is limited, and cotton prices may have picked up. We must grasp this rare opportunity.
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