Shed cultivation in early spring
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1. Sowing Date and Seeding Preparation Select varieties with early maturity, low temperature resistance and strong growth potential, such as No. 1 and No. 5 of Jiaojiao. In the middle and late October-early October, about 120 days of the acreage, about 80% of the early-February-early-month early-month when the big buds were transplanted to the greenhouse. Sowing before seeding for 1-2 days, soaking in warm water at 55°C for 15 minutes, then soaking in warm water at 30°C for 8 hours, removing the seeds, and transferring the seeds to 10% trisodium phosphate or 0.5% potassium permanganate solution for 20 minutes, Wash the mucus and drain the water for broadcast. In the first half month of sowing, no eggplant vegetable field was planted for 3 consecutive years. According to every 15 square meters of seedbeds, the pigs were cooked and cooked with 18-20 kg of pig manure. Pouring enough water to be broadcast. And use poisonous soil to eliminate germs and pests in the soil.
2. Seed sowing 3 days before seeding soaking water, cover film temperature and moisture. 15 square meters seedbed with 100 grams of seed. The use of sowing, covered seed soil no more than 1 cm, and then cover the film, film, covered straw at night insulation.
3, management before the emergence of temperature control to be high: during the day 26-30 °C, night temperature 18-20 °C, strict shed film, sooner or later cover straw screen. Generally do not water without ventilation, promote the early seedlings, Qi Miao. Emergence to two true leaves, during the day 23-25 ​​°C, about 12 °C at night. 3 leaves 1 heart before transplanting (12-14 true leaves), 28-30°C during the day and 15-18°C during the night. Two to three days before seedling, the seedling sheds will be well arched. Bed soil irrigated. The nursery bed was poured once a day before seedlings. The seedlings were transferred into 8-10 cm diameter plastic nutrients to cultivate older seedlings. Ventilation was increased 5-7 days before planting, and the temperature was 22-24°C during the day and 10°C at night to adapt to the environmental conditions of the greenhouse.
Second, transplanting and management
1. The arch of the greenhouse is transplanted 7 days before transplanting, Mushi organic fertilizer 5000 kg, superphosphate 25 kg, cooked rapeseed cake 100 kg, potassium chloride 20 kg, urea 20 kg. Fertilize the soil deeply and mix thoroughly to make a 65-70 cm wide ramen. The ravine is 30 cm wide and 20 cm deep. The row spacing is 45-50 cm, and the spacing is 25 cm, 5000-6000 strains per mu.
2. Insulation and Ventilation Management To prevent frost, small sheds are used in the early spring to cover the sheds and cover the mulch at night to increase the soil temperature and temperature in the shed. During the seedling period, the temperature in the shed is 28-30°C during the day and 15°C or more at night, and the cover film and the straw curtain cover the afternoon cover in the morning. Ventilate timely after easing the seedlings, greenhouse temperature 25-30 °C during the day and night above 10 °C. The small arch shed was removed in late April. At the beginning of May, when the minimum ambient temperature reached around 15°C, it was ventilated overnight.
3, fertilizer and water management combined with water after easing seedlings, topdressing 1-2 times of diluted fecal water; door pepper harvested, knot a batch of fruit chasing a fat, each time with the water to recover urea 10-15 kg or diammonium phosphate 10 Kg; In the middle and later stages, in order to prevent premature senescence, foliar spraying may be performed with 0.5% potassium dihydrogen phosphate or 0.5% urea aqueous solution.
4. Flowering and plugging flowering The initial low temperature of flowers is not conducive to fruit setting and the use of anti-dropping elements should be used. In late April, the greenhouse should be removed from the shed to prevent lodging of the plants. When the outside temperature rises in June, shade nets should be placed on the roof of the greenhouse in time.
5, pests control fleas and cockroaches, can be used 1000 times methamidophos or 400 times the solution of trichlorfon irrigation. For root-knot nematodes, 1 kg of gram was used for soil treatment before planting. During the seedling stage damping-off, 500 root rot was used to irrigate the roots. The disease was controlled by 500 times of metalaxyl manganese zinc. Scab, soft rot, control with agricultural streptomycin 200ppm. Other pests are routinely controlled.