Non-pollution Chives High-yield Cultivation Technique
Chives, small plants, very fine leaves, soft texture, fragrant, slightly spicy, the market demand for more and more strong. The cultivation techniques of chives are described as follows: I. Variety selection Choose high-quality, high-yield, strong-resistant varieties of chives, such as the four seasons of small shallots. Second, land selection The place of production should be far away from the “industrial wastes†pollution area. The production plots should be clean and sanitary, have a flat topography, be convenient for drainage and irrigation, be loose in soil, fertile and have a deep soil layer. They are not suitable for sand and plated land. Chives are not suitable for continuous cropping for many years, generally 1-2 years with soybeans, corn and non-onion and garlic crops. Third, the mouth arrangement Chives are cultivated in spring, summer and autumn. Live direct seedlings or seedlings can be transplanted, and large-scale cultivation is easy to broadcast. Live broadcast in the open field: Spring sowing is planted in March-April, summer aphid is sown in June, autumn alum is sown in September-October, and harvested 60-80 days. Seedling transplanting: winter and spring use of protection facilities can be nursed in February, transplanted in March, after transplanting cover film, from April to May can be harvested. Fourth, fertilization site preparation In general, Mushi's cooked manure or manure 1500-2000 kg and ternary compound fertilizer 25 kg are used as base fertilizer. After finishing fertilization, finely pour the soil and plunge the soil 20-25 cm deep. Then make a rake. The rake is 1-1.2 meters wide and the back is 30 centimeters wide. Fifth, planting seedlings 1. Soak germination. Before sowing, the seeds were soaked in warm water at 30°C for 24 hours to remove pod seeds and impurities, and the mucilage on the seeds was rinsed clean and germinated. When germination, soaked seeds are wrapped in wet cloth and germinated under the condition of 15°C-20°C. Rinse 1-2 times a day with fresh water. When 60% of the seeds are exposed, they can be seeded or seeded. 2. Seedling transplanting. Adopting seedling transplanting can improve product quality and seed emergence rate. Planting 1 mu of Daejeon requires 80-100 square meters of seedbed. Nursery pods use 2000 kg of rotten organic fertilizer per acre, 20 kg of ternary compound fertilizer as basal fertilizer, and after deep-turning the rake, they are made into flat 1-1.2 meters wide and 10-20 meters long. When sowing, fill the bottom water in the bowl and spread the seeds evenly after the water infiltration. To ensure uniform sowing, spread 1 part of the seed and 10 parts of fine sand and broadcast after sowing. Cover the 1 cm thick fine soil after sowing. Spread a layer of fine 0.2-0.5 cm thick sand to prevent buckling. 7-8 days after sowing, the seedlings can be seeded, poured with small water after emergence, and then poured again 15-20 days later to promote seedling growth and keep the soil moist. At the same time, fertilizer and water management should be adjusted according to the growth of seedlings. If the seedlings are small, they can apply 10-15 kg of ammonium sulfate per acre, or use 2-3 cubic meters per mu of biogas fertilizer to water once, and spray once with a ratio of 1:1 of biogas slurry and water. If the seedlings are too big, fertilizer and water should be controlled. Seedling age 30-40 days. 3. Planting density. Mu uses 2-3 kg. Live sowing in the trench surface sowing, ditch 10-15 cm, covering 1.5-2 cm thick. Appropriate seedlings after emergence, keeping the plant spacing 2-3 cm, acres planted 180,000 -22 million; nursery transplant spacing is 10 cm, hole distance 3-5 cm, 2-3 plants per hole. Transplanting should be light should not be deep, the density should not be thin, transplant depth 6-7 cm, timely watering after planting. Six, field management Live scallions, sowed before and after the emergence of seedlings, to keep dry see see wet. After the seedlings are flushed, the biogas fertilizer is applied twice with water, each time 2-3 cubic meters per acre, spraying biogas slurry once a day for 10 days, and spraying three times. Or 5 kg of urea urea to promote manure, generally 12-15 days topdressing 1 times. Combine fertilization with watering to keep the soil moist. Nitrogen fertilizer was applied 15-20 days before harvest, and 15 kg of normal urea was used to promote plant greening. Timely weeding promotes the growth of chives. To control weeds, planting black mulch can be used to cover the cultivation. VII. Pest Control 1. Disease prevention and control. The main diseases of chives are downy mildew, gray mold and purple spot. (1) Agricultural control. Before sowing, the seeds were soaked in warm water at 50°C for 25 minutes; rotation was applied for rotation, and weeding was enhanced to clean the pasture and reduce the number of pests and diseases. Increase the application of organic fertilizers and phosphorus and potassium fertilizers to improve the disease resistance of plants and plant dense plants in a timely manner to eliminate water accumulation in the field. (2) Chemical control. For the prevention of downy mildew, spray 72% Kelu WP 600 times, 72.2% Prodione 700 times or 58% Ledomil WP 600 times every 7-10 days. Spray once and spray twice. Prevention of gray mold, spraying 50% acetaminophen wettable powder 1500 times liquid, 50% quick WP wettable powder 2000 times liquid or 50% nellikon wettable powder 1500 times, etc., every 7-10 Spray once a day and spray twice. Prevention of purple spot disease uses copper sulphate, quicklime and water per acre. It is sprayed at a ratio of 1:1:200 and the acreage is 50 kilograms. 2. Pest control. The main pests of chives include root pods, leaf miners and onion thrips. (1) Agricultural control. Before the soil preparation, deep-drying the earthworms, the use of decomposed organic fertilizers and biogas slurry and biogas residue after normal fermentation for 2 months. (2) Chemical control. To prevent and control root turf, soak the roots of the seedlings with 5-10% phoxim 1000-1500 or 90% dipterion 1000-1500 for 1-2 minutes before planting, or spray at the beginning of the disease, every 7-10 Sprayed once a day, sprayed 2-3 times. Liriomyza is used for the control of Liriomyza, which sprays 75% ciprofloxacin 5000-7000 times solution or 20% fenvalerate or other pyrethroid pesticide 1500-2000 times solution from the spawning period to the initial stage of larvae hatching. Control of onion thrips, spraying 10% of imidacloprid wettable powder 2500 times at the peak of nymphs, spraying once every 7-10 days, even spraying 2-3 times. Stop using any chemical pesticides 15 days before harvest. PDO/PCL Threads,Pdo Threads,Pcl Threads,Pdo Thread Lift Qingdao Beautiful Skin Biotechnology Co., Ltd , https://www.hafilleresthetic.com