(1) Seed emergence after 4 days sowing, after emergence and time seedlings. Cotyledon 1 seedling period, 2 true leaves when the 2 seedlings between the seedlings and seedlings is not suitable for crowding; when the seedlings 4-5 true leaves can be planted. 10 days after the emergence of watering once, depending on soil moisture conditions, watering once every 15 days, while fertilizing with water. Each time after watering, the cultivator shall protect the roots in time, promote the development of the root system, increase the soil temperature and preserve the earthworms. This variety mainly uses its vegetative organs as fresh food, fertilizes with base fertilizers, and supplements with topdressing. After planting, topdressing was started, and the principle of thin application in the later period and top-down application in the middle period was performed. During the growth period of seedlings, topdressing watering, promoting vegetative growth of plants, increasing leaf area, laying the material foundation for the formation of rapeseed, topdressing 5 kg of urea per acre, and 10 kg of fertilization in the sea.
When the mid-season moss core begins to grow thick and thick, 15 kg of urea is applied per acre, and 10 kg of fertilization is applied to the seawater. A heavy fertilizer is applied 10 days before the convulsions. 4 kg of compound fertilizer and 8 kg of urea are applied per acre, which promotes the growth and length of the moss and increases the yield.
(2) Pest control
Kale diseases mainly include downy mildew, black rot, and sclerotinia. With 58% metalaxyl manganese zinc 600 times and 50% carbendazim 600 times.
The control of aphids and cabbage caterpillars was sprayed with 69% ank manganese zinc 1000 times.
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