First, open field cultivation
1. Land preparation. Choose flat, no water, thick soil, moist, sandy soil with high organic content. The base fertilizer is 30000-45000 kg per metric liter, and the ternary compound fertilizer is 225 kg. Plowing 20--30 cm, flattening, making a flat 10-15 meters wide and 1 meter wide.
2, sowing. In late March, the seeds of the celery were soaked with 40 mg/kg of gibberellin for 2 hours or soaked for 4 hours with water, and then sown in the sputum at a row spacing of 20-25 cm. Open the shallow ditch 2-3 cm deep, evenly sprinkle the seeds, use 60-75 kg of seed per hectare. After sowing, simmer the surface soil, gently suppress with the wooden board, and emerge for 15-20 days.
3. Nursery. After the seedlings are unearthed, they are loosened and weeded. From April to May, water is poured once every 15-20 days, and when the seedling height is 5-7 cm, the first seedling, 8-10 cm seedlings, and 500 seedlings per square meter are carried out. After the seedlings were sprayed, the solution was sprayed twice with 0.3% urea and 0.2% potassium dihydrogen phosphate solution for 7-10 days. Pay attention to drainage during the rainy season, loosen soil and weed in time after rain, and improve soil permeability. Between July and August, spray 2-3 times 0.3% solution to improve the wintering ability of the annual seedlings.
4, colonization. It is advisable to plant the celery in the autumn. After land preparation, fertilization, ridge planting, two rows per ridge, plant spacing 6-10 cm, watering after planting, to properly water the soil according to soil moisture, cover soil height of seedling growth point 3--4 cm, ridge cover 1 - 2 cm thick straw and other coverings to facilitate wintering.
5. Field management. After planting, timely watering and weeding. If there is a lack of seedlings, it should be completed. 15-20 days after the slow seedling, the nitrogen fertilizer is applied once to promote the growth of the seedlings. Spring fertilizer management is the key to the cultivation of mountain celery. After the soil is thawed, the dead leaves and dried plants in the field are removed. Apply 300-450 kg of urea per hectare. In early spring, the ground temperature is low. The first irrigation should be carried out at a plant height of 10-12 cm, and water should be poured every 7-10 days. Enter the harvesting period and timely apply the quick-acting nitrogen fertilizer. In the middle and late growth stages, weeding and weeding and supplementing and potash fertilizer should be carried out in time.
6, harvest. When the height of the plant is more than 30 cm, the color of the leaves begins to darken. When the petiole has a small amount of fiber, it is crisp and tender and can be harvested. When harvesting, hold the base of the petiole with your hand to the outside, do not damage the small leaves and growth points. The bundle will be listed.
7. Seed collection and processing. In mid-to-late September, the seeds matured and harvested in batches. After harvesting, they were spread on the banquet, dried, and cleaned into impurities. In the middle and late October, the harvested seeds are sanded. Choose a high-grid land that does not accumulate water and has good permeability. The depth is 30-35 cm, and the length and width are determined according to the number of seeds. The seeds are soaked in water for 12 hours, and after being taken out, 3-5 times of wet sand is mixed, and the mixture is held by hand, but it is not suitable for dripping. After mixing well, put it into the ditch and cover the soil 10-15 cm above the ground. Remove the cover soil every 15-20 days and turn the seeds up and down until the freeze.
Second, protected cultivation
In the beginning of March, the arch shed was started. First, the sheds were inserted on both sides of the bed to form a shed, and the film was buckled. The two sides were sealed with soil. 15-20 days, the mountain celery grows to about 10 centimeters. At noon on sunny days, pay attention to the arch shed to release the wind, so as to avoid excessive temperature and scald. It can be listed in early April, and can receive 1 kilogram of fresh celery per square meter. After the film is removed, the second germination of the mountain celery should not be harvested in the same year to ensure that the underground part grows well, which is conducive to the growth of the mountain celery in the second year. When the plant grows to 10-15 cm, it is applied once, 1.5 kg per 666.7 square meters. Strengthen field management to prevent grassland drought and drought.
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