First, the temperature and humidity management in the initial stage of planting should pay attention to ventilation and humidity, at night when the temperature above 0 °C need to vent, below 0 °C, it is necessary to cover a small arch shed and cover the straw; during the day the straw curtain opened. When the stem begins to expand until harvesting, the greenhouse temperature is 15-20°C during the day, ventilation is over 24°C, and should not be lower than 5°C at night. Second, fertilizer and water management should be planted after planting stable root water, 5-6 days after the emergence of seedlings, water slowly, while raising the seedlings with water, Mushi ammonium sulfate 10-15 kg, after continuous cultivator loose soil 2-3 Times. At the beginning of the mission, the fertilizer was topdressed once with water, and 20 kg of ammonium sulphate was applied. Then the cultivator and seedlings were continued. When the stem begins to swell, timely watering, with the water Mu chase 3 yuan compound fertilizer 25-30 kg. Afterwards, keep the soil moist. 3. In the early stage of disease prevention, the use of 25% metalaxyl MnZn wettable powder 800-900 times liquid and 50% quick-inking wettable powder 1500 times, or 50% carbendazim gel suspension 500-600 times liquid Mix spray 2-3 times (spray once every 7 days). Oxytetracycline Injection,Veterinary Oxytetracycline,Injection Veterinary Medicine,Pharma Vet Oxytetracycline Injection Shandong Unovet Pharmaceutical Co.,Ltd. , https://www.unovetcn.com