Recently, for a variety of reasons, this year's cotton planting area has been greatly reduced. The sowing time has been longer. After emergence, it has experienced high temperature drought and low temperature and rain, and the overall growth of cotton seedlings has been slower than usual. In recent days, concentrated rainfall will undoubtedly cause flooding disasters, resulting in more sluggish cotton seedlings. In the case of insufficient cotton fields, stagnation and spotting are bound to threaten cotton production this year.
In the cotton fields that are subject to waterlogging, cotton seedlings will suffocate and die. Second, they will cause serious grass shortages. Three will cause widespread occurrence of cotton wilt disease, and the death rate of severe cases will reach more than 30%. Fourth, it will cause cotton field compaction and fertilizer loss. Cotton seedling development was blocked.
The occurrence of waterlogging in cotton occurs almost every year, but the time of occurrence is different and the degree of harm is different. Summing up the experience of disaster-relief and yield-increasing over the years, and adopting timely management measures, it is possible to seize the harvest of cotton through disaster prevention.
Cotton has a long growth period, strong compensation ability and strong plasticity, leaving time for management. Farmers must adapt to management and improve their overall resilience.
One is to seize the row of waterlogging, clean up the cotton field "three ditch," so that the water can be ranked water, dark water filter, rain live dry.
The second is to distinguish the seedlings, grab fertilizer to raise seedlings. 3 to 5 true leaf cotton seedlings are mainly based on available nitrogen fertilizers. Quickly enter the cotton seedlings at the bud stage to chase organic fertilizers, bio-organic compound fertilizers, and potash fertilizers to improve the ability to prevent blight. No matter what kind of cotton seedlings can be sprayed with Hui Man Fung or Zhuang Fu Xing active liquid fertilizer to accelerate the recovery of cotton seedlings as soon as possible.
Third, after the weather is fine, combined with weeding, remove the compaction, loosen the soil, promote the rapid emergence of new roots of cotton seedlings, root hair will accelerate seedling growth.
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