Cultivation Techniques of Early Chinese Cabbage Seedling Cultivation

Indoor nursery. It takes 90 to 100 days for the whole growing period, including 30 days for the nursery period. The required temperature during the nursery period is between 15°C and 28°C. Seedlings are raised in early February and geothermal heating facilities are required for nursery. Nursery equipment can be used in low or plastic bowls, but also nutrition. The spacing between sowings is kept at 8 cm. Seeds of 2 to 3 seeds per pod or hole, including 1 cm of back cover, water cover film, and then the bow shed. The straw is also covered at night.
The preparation of the culture soil can be done by sifting 2 parts of disease-free soil, 1 part of vermiculite, perlite and organic fertilizer, or 3 parts of disease-free soil after fertilization, and 2 parts of fine furnace ash. mixing. Add 200 to 300 grams of fungicide per cubic meter of mixed culture soil, and then add water to the hand crumbs. After 24 hours of boring, you can install or make beds. The bed thickness is 8 to 10 cm. On the day before sowing, it is necessary to warm up and warm it up. When the bed temperature reaches above 20°C, sow again; after sowing, attention should be paid to the changes in the temperature of the seedbed and the shed. In the appropriate temperature and humidity conditions about 5 days after the seedlings can be. After the emergence of seedlings should be promptly ventilated. Only one robust and pierced seedling was left in each hole, and all others were removed. A 500-times dose of zein zinc fungicide was sprayed after the seedlings to prevent the occurrence of shattering. After this, depending on the shade of seedling color, one or two foliar fertilizers were sprayed. Every 3-4 days before emergence and planting should be sprayed once to ensure that the seedlings grow under the proper conditions.

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