June Hybrid Cotton Culture Management
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One is to make up for the shortage of the current hare to bite seedlings, and the disease has become fierce. Ground tigers are seriously endangered, and localities must rapidly make up for the preparation of seedlings or the work of replenishing and replenishing sewers, in order to ensure the density of about 1600 strains of 29F planted in acres, 1800 strains planted in acres, and 1600 strains planted in southern hybrid cotton varieties.
Second, the Qinggou Drainage timely dredge the “Three Ditchesâ€, deep dig waist and ditch, reduce humidity and prevent disease, and ensure that the flood season is not affected by waterlogging.
Thirdly, the timely application of the entire technology wiping spray to promote Kao No. 3 solution, spraying once every 10 days, can completely replace the traditional extensive approach of artificial shoots and hormone killing, and greatly reduce the fatigue of management operations.
The fourth is the late cultivation of cotton cultivars and oil after the cotton seedlings serious, after the rain to clear the robbers to grab the 1-2 times, from shallow to deep, in order to facilitate ventilation and temperature, hair root long seedlings. At the same time do a good job earthworms to prevent late lodging. Earthing height 10-12cm.
The fifth is to promote buds
1, the application of fertilizer, general cotton fields where there are 3-5 fruit trees, 7-9 buds bud stage with urea, potassium dihydrogen phosphate, Sonic boron and other foliar spray fertilizer. 2, physical adjustment, in the cotton bud stage, young boll period, cotton swollen period each spray Zhuang Ti Ling solution, can promote early-onset, high yield of cotton.
Sixthly, when the first and second category of cotton field cotton plants have 4-5 fruit branches, the top of the cotton plants should be sprayed with Kaowang No. 3, and the spray should be sprayed after 10 days to prevent madness. However, for the three types of late-stage stiff seedlings, Zhuangling solution should be sprayed to promote seedling upgrade.
Seventh, the pests were quickly prevented from entering more rain in June, and there were also more pests and diseases. Diseases should prevent yellow disease, increase phosphorus and potash fertilizer on the basis of clearing the ditch and reduce moisture, promptly use the "yellow special" or "gram bacteria" + 800 times the new high-fat film liquid irrigation control; anthrax early spraying 70% Chlorothalonil WP + new high fat film 600-800 times or 50% benomyl WP + new high fat film 800 times liquid prevention. It is necessary to focus on the prevention and control of insect pests such as blind spring crickets and cotton aphid, and pharmaceuticals should be mainly based on "detergent nets" and other systemic agents.