Root celery, also known as root parsley, Artemisia globosum, two-year-old herbaceous plant, in addition to fleshy root, the other is basically the same with celery, its hypertrophic globular fleshy root for food, young leaves can also be eaten, can be salad, fried food, cooking Or make soup spices, there is a clear fragrance of celery. The nutritional value of celery is higher than that of celery. Each 100g contains 1.5g of protein, 0.3g of fat, 0.05mg of vitamin B1, and 20.20mg of vitamin B. It is a low-calorie vegetable. The cultivation is simple, resistant to storage, good flavor, is a special dish worth promoting. 1 Requirements for environmental conditions Root celery is suitable for loam or sandy loam with good water supply, rich organic matter, and loose fertility. Plant growth requires sufficient nitrogenous fertilizer and phosphate fertilizer. The hypertrophic growth of fleshy root requires sufficient potassium fertilizer. Hi cold and humid climate conditions, suitable for the growth temperature of about 20 °C, 25 °C above the slow growth, temperature difference is conducive to the growth of fleshy root growth. Insufficient heat, high temperature, and high temperature conditions, the roots of the flesh are susceptible to browning and decay. 2 During the cultivation season in North China, the seedlings are usually planted in January-February, and planted in open field in March-April and harvested in May-June. The listing period is at the end of spring and the low season in early summer, and the economic benefits are relatively high. In the period of 1-2 months, cold-proof measures should be taken, such as breeding seedlings in a solar greenhouse. 3 cultivation techniques a. Before sowing, seedlings are soaked in warm water at 20-30°C for 12 hours (hours), then placed in a cloth bag and placed in a cold place to germinate, keeping the seeds moist and dithering the seed daily for favorable ventilation. More than 60% of seeds can be sown. Before sowing, the seedbed shall be poured with water once, and after soaking in the water, it shall be sowed and covered with 0.5cm thick fine soil and covered with plastic film. The seedbed temperature is maintained at 17-20°C during the day and 13-15°C during the night. The seedbed should be kept moisturized. At the 3-4 leaf stage, seedlings were seeded once (do not injure the root system), and the spacing between the rows was 10 cm×10 cm. When seedlings 8-10 true leaves are planted. b. Prior to planting and colonization, each 667 square meters of fermented organic fertilizer applied 4000-5000kg, superphosphate 30kg, potassium sulphate 10kg, deep-turning, smashing, made 1.0-1.5m wide rake. Plant spacing 30-40cm square. The colonization density is not easy to be too large, otherwise the flesh roots become smaller and the quality of the product is reduced. Root celery root is not easy to recover after injury, planting should be carefully digging seedlings to prevent root injury, with as much as possible transplanted with clods, in order to facilitate root recovery and seedling survival. Water immediately after planting. c. After 2-3 days of field management, plunge the seedlings once. When soil moisture is suitable, cultivating tillage soil will be carried out to keep the soil moist. One month after planting, water and topdressing urea at 10kg/667 square meters will be carried out in one time. During the swelling period of the roots of meat, water should be evenly poured and potassium fertilizer should be supplied. Combined with watering, the compound fertilizer is chased once every 1-2 times, each time 20kg. During the growth, the old leaves and lateral branches and leaves are removed in time to facilitate ventilation. When the fleshy roots are swollen, the rhizosphere soil can be removed and the shallow lateral roots can be removed with a knife to make the main root grow. Do not water immediately after root cutting to prevent infection from rot. The roots of harvested meat grow to a certain size and can be harvested as long as the market needs them. 4 Diseases and Insect Pest Control The celery's common diseases include leaf spot, spot blotch, and soft rot. 75% chlorothalonil 600 times can be used; 77% can kill 500 times; or streptomycin sulfate 3000-4000. Times and other timely spray. Insect pests are mainly aphids and can be controlled with dimethoate and other agents.
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