Rainy season cotton field attention to anti-water
The roots of cotton are deep, and the short-term water accumulation will not cause great harm to the plants. Long-term water accumulation will cause serious damage to the root system, and thus seriously affect the normal growth and development of cotton until death. The following management measures shall be taken after the disaster occurs: When water in flooded cotton fields is flooded in time, the first step is to eliminate the accumulated water in the field, clean up the silt and furrows of the silt, and lower the groundwater level so as to restore the growth of cotton plants. It is the premise of disaster prevention and flood prevention that large areas of heavy rainfall are encountered, and the digging and dredging of drainage ditches. In order to help the seedlings, the seedlings must be retreated by the side of the water, and the sludge on the leaves and stems of the cotton should be cleaned so that the cotton leaves can resume normal breathing and photosynthesis as soon as possible. If the backwater is too fast and waterless, it can be sprayed with a sprayer. After the flooded cotton plant, the cotton plant should be carefully centered and the soil cultivated so that the plants grow upright to improve the air and light conditions of the cotton field. When the water accumulated in the cultivating scotch-cotton field in a timely manner, the soil is easy to be compacted and the root environment is deteriorated. Therefore, after the drainage, the cultivator should be cultivated early to improve the soil permeability and promote the development of the root system. The cultivator is also conducive to spreading and reducing soil moisture. Scientific recovery of fertilizers often leads to the loss of soil nutrients after drainage. Therefore, it is necessary to top-dress fertilizers to supplement soil nutrients. If the cotton plant is damaged lightly, it is necessary to replant the flower bell fertilizer as early as possible. With the application of potash fertilizer, promote the application of special fertilizer for cotton formulation, so as to deepen the ditch. Attention to chemical control and timely repair of cotton after receiving easily lead to the loss of Lei Ling bell, resulting in excessive vegetative growth, reproductive growth disorders. In this regard, we must strengthen the control measures, and at the same time we must strengthen the pruning of cotton to reduce the new leaves and axillary buds. Strengthen the comprehensive prevention and control of pests and diseases, rainy weather, cotton prone to disease, it is necessary to take timely preventive measures.
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