First, the temperature and humidity control: 1, 20-25 degrees, must maintain the temperature in the shed is not less than 10 degrees to meet the needs of vegetable growth and development. 2. Humidity: The humidity in the shed is 60-70%. Less than 50% will affect photosynthesis and nutrient absorption of pepper. More than 70% will cause lengthy or disease.
Field management: 1. Temperature management: Do not ventilate within one week after planting, mainly for heat preservation, and the temperature at night should not be lower than 10 degrees. 2. Moisture management: Peppers are more drought tolerant to waterlogging. To achieve high yields, water management must be strengthened. Irrigation should be carried out during the flowering and fruiting period to keep the soil moist. 3. Topdressing: (1) Light application of seedling fertilizer: 1000 kg of human feces per acre or 5-6 kg of urea after planting and survival, combined with cultivating water. (2) Stable application of flower bud fertilizer and appropriate increase of phosphorus and potassium fertilizers. Apply 15-20 kg of urea per acre, 10 kg of calcium and 10 kg of potassium sulfate. (3) Heavy application of flower and fruit fertilizer: Combined with nitrogen, phosphorus, and potassium fertilizers, 2,000 kg of manure and urine, 15-20 kg of calcium, 15 kg of potassium sulfate, and 20-25 kg or 30 kg of compound fertilizer are applied per mu.
3. Pest control: Vegetables in greenhouses provide suitable environmental conditions for the overwintering of pests and diseases in winter, which will make vegetable pests and diseases increasingly serious. Therefore, pest control is the key to successful vegetable cultivation in greenhouses.
1. Pepper diseases mainly include virus disease, blight, anthracnose, powdery mildew, bacterial wilt, root rot, etc., and toxic alum, mancozeb, powder rust, agricultural streptomycin, root rot, pepper For spoilage and other prevention and control, spray medicine every 7-10 days, and even prevent it 2 or 3 times.
2. Insect pests mainly include aphids, cotton bollworms, tobacco worms, etc. The pesticides are controlled by spraying with imidacloprid, kung fu, pyrethrin, etc., once every 7-10 days, and continuous prevention 2-3 times.
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