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June hybrid cotton cultivation management
In June, it is the vegetative growth, reproductive growth and advancement of cotton, in order to achieve balanced growth, stable and productive shelves. To do the following training work:
First, the investigation of seedlings and the lack of
At present, the wild rabbit bite the seedling is serious, and the dry sputum is coming. The tigers in the ground are seriously endangered. All localities should quickly make up the preparatory seedlings or transplant the secrets to ensure the 29F of the cotton plant, 1800 plants per mu, and the density of 1600 plants of the southern hybrid cotton varieties.
The second is the Qinggou drainage and
Timely dredge the “three ditchâ€, deepen the lumbar ditch and the ditch, and reduce the dampness and disease prevention, while ensuring that the flood control period is free from waterlogging.
The third is timely and the whole technology wipes
Spraying the flower-promoting No. 3 solution, spraying once every 10 days, can completely replace the traditional extensive method of artificial topping buds and hormone killing, greatly reducing the intensity of management operations.
The fourth is Zhongxiang Peiyu
After planting cotton and oil, the cotton seedlings are severe. After the rain, it is necessary to rush and plough for 1-2 times, from shallow to deep, to facilitate ventilation and warming, and to grow long roots. At the same time, do a good job of soil and earth to prevent late lodging. The height of the soil is 10-12cm.
The fifth is to promote the flower bud
1. Applying bud fertilizer, in general, cotton fields have 3-5 sets of fruit branches, 7-9 buds of the bud stage, urea, potassium dihydrogen phosphate, and syllabus boron for foliar application. 2, physical adjustment, cotton cotton buds in the flower bud period, young bell period, cotton swell period, can promote early cotton, high yield.
Sixth is the appropriate adjustment of
When the first and second types of cotton field cotton plants have 4-5 fruit branches, use the top of the cotton plant to promote the flower king No. 3, and then spray the spray as appropriate after 10 days to prevent madness. However, for three types of late-developing dead seedlings, the Zhuangling solution should be sprayed to promote seedling upgrade.
Seven is fast disease prevention pests
In June , there was more rain and more pests and diseases occurred. The disease should prevent and cure the yellowish disease. On the basis of the dampness and dehumidification of the clearing ditch, increase the phosphorus and potassium fertilizer, and timely use the "dry yellow special" or "cluster" + new high fat film 800 times solution to control the root; 70% of the initial incidence of anthrax Chlorothalonil wettable powder + new high fat film 600-800 times liquid or 50% benomyl WP + new high fat film 800 times liquid prevention. It is necessary to focus on the prevention and control of pests such as blind spring lice and cotton aphid.
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