Cold Sheds Cultivate Overwinter Pepper Seedlings
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First, prepare before broadcast. Soil, which is rich in soil, fertile and conducive to drainage, is a large shed with a span of 6 meters. Apply 40 kg of compound fertilizer per acre for basal fertilizer in the shed. After ploughing, ridge width is 75 cm on both sides and 150 cm in the middle (including furrows and 25 cm). If the soil is dry, it should be irrigated. After the soil is loose, the mulches are flat and fine. , And with 5 ~ 10 grams / square meter carbendazim mixed soil spread on the ridge.
Second, cultivate seedlings. The sowing date can be arranged in mid-to-late October. Seeds need to be sunned first, then spread evenly at 15 g/m2, covered with 3 mm of fine sand, and then covered with a micro-film to moisturize, close the shed, and cannot be ventilated before emergence.
Until 80% of the seed germination, open the shed film ventilation and humidity, sprayed with 500 times solution of yloxazid to prevent a damping-off disease. After most of the seedlings have grown out of true leaves, the closed greenhouse insulation promotes long-term humidity. When the seedlings have 2 true leaves and grow out of the heart leaves, the film is lifted and ventilated.
Third, seedlings. Sub-seedlings with greenhouses to add anti-frost film, apply 35 to 40 kg per mu compound fertilizer. According to the specifications of the small seedbed, the ridges should be ridged and the ridge surface should be formed into a tile-back type. Lay it on a wooden board, spread a layer of medicine and soil, cover with a micro-membrane, tighten it and press it tightly with soil. If the seedbed is dry, it must be thoroughly irrigated before fertilizing.
After 3 days, the plants can be planted. Dig holes in 8 to 10 cm squares and planted in double plants to fill the membrane mouth with wet sand. After planting, root water was sprayed and closed with thiophanate-methyl 500-fold solution.
Fourth, winter management. Do not ventilate the seedlings during the period of the seedlings. After the young leaves of the seedlings begin to grow, the roots of the stems can be ventilated in the high temperature afternoon and sprayed with chlorothalonil 500 times to prevent disease. After every 10 days with chlorothalonil, can be killed, fast-Keling alternating application, if there is a locust harm can be added imidacloprid. After spraying, dry the liquid on the leaves and close the shed.
Until the seedling grows to 8 leaves (December), increase ventilation to remove moisture and try to make the topsoil dry.
When the temperature dropped above 5°C, membrane ventilation was removed on sunny days, and small arch shelters were removed so that the temperature did not exceed 20°C. If the leaves are seriously wilted after cold, they need to be closed for further ventilation. During this time, attention should be paid to the prevention and treatment of gray mold. When the temperature is stable above 10°C, if the bed soil is too dry, it should be watered and the skirt film should be removed to promote growth.
Most of the seedlings grow to 15 to 20 cm in height. When there are 3 or more buds, all the days of ventilation are used to cultivate the seedlings, and the shed film is gradually removed. The seedlings that experienced a cold wave can be transplanted.
