(1) The choice and setting of the cooling bed site. Sunlight is the main source of heat for cold beds. Therefore, it is best to select areas where leeward sunshine, high ground dryness, good drainage, good water supply, convenient operation and management, and where no solanaceous crops have been planted in recent years. In the first half of the planting period, the area required by the number of nurseries was planned. The direction of the bed is slightly eastward toward the south. The bed is 1 meter wide, 0.2 meters deep and 20 meters long. The two beds are 1.5 meters apart. First, the soil surface of the bed was loosened, and a wall of 0.2m in height and 0.2m in width was built around the bed, and then tightened, ie, a bed with a width of 1m, a depth of 04m, and a length of 20m was formed. Prepare bed soil and culture soil 1-2 months before nursery. The bed soil needs to be dried white and full base fertilizer. Cultivate earth with composting, loose soil, and pig manure residue, and then add old ash and calcium superphosphate to mix and serve. The soil on the bed is loosened and leveled, a layer of bed soil mixed with lime is added, and the thickness of the bed is 6-7 cm. A layer of water is poured to percolate the human excrement, allowing it to dry naturally, covering it once every 1-2 days. Layer fertile culture soil, open a good drainage ditch around. Bed covered with plastic film, should be made into a round arched film cooling bed, on both sides of the bed, insert a bamboo piece every 0507 meters to make a bow, arch height of 0.5 meters, the top set bamboo bamboo bamboo fixed, plastic film cover . If you cover the glass window, raise the north wall in advance, tilt it 60 degrees to the south, and close the joint between the window and the wall.
(2) sowing. The seeds of pepper were soaked, disinfected and germinated. Before sowing, the bed soil shall be poured with decomposed and diluted manure water. When the soil is wet, the white seed mixed with fine soil will be evenly sowed, and then covered with a layer of culture soil, which is limited to not exposing the seeds. Bed cover with plastic film, bed l arch cover film, or cover glass window. Remove rat poison around the bed.
(3) Seedbed management. 2 days after sowing, check the temperature and humidity in the bed. If it is found that it is too humid to ventilate and dehumidify, dry it over to spray water. It is sealed afterwards and does not have to be ventilated until it emerges. When starting to emerge, pay attention to peeling the film and keep it warm. When the emergence rate reaches 80%, ventilation should be appropriately increased and maintained at 20-25°C during the day and 10-15°C at night. Plastic film covering heat preservation performance is good, can pass through the sun's ultraviolet rays; but air permeability is poor, use should strengthen the management, pay attention to ventilation, control irrigation, remove the water beads attached to the membrane at any time, in order to reduce the humidity in the bed, improve Translucent condition. When the seedlings grow 2 leaves and 1 heart, the seedlings will be transplanted on a sunny day and planted at a spacing of 57 cm. The seedlings should be watered 3-4 hours before transplanting. After transplanting, maintain a high temperature (above 16°C) and moisturize it to facilitate seedling growth. The management of the sham bed should try to master the temperature and humidity and prevent the occurrence of diseases. To enhance ventilation and light transmission, the amount of ventilation should be from small to large, and the time from short to long. Even if it is rainy, short-term ventilation should be carried out at noon. One week before planting, gradually increase the ventilation, reduce the temperature and humidity of the bed, control the watering, and gradually shorten the cover film time at night. In the last 57 days, the seedlings can be opened. When tomato seedlings grow to 15 cm high and 6-8 true leaves, the pepper seedlings grow to l2 cm high and 5-6 true leaves can be planted.
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