The leaf-type peppers are also known as capsicum, hot pepper, bell pepper and so on. They are native to Mexico and Peru. Pepper leaves are rich in nutrients, containing 4.46 grams of protein per 100 grams, which is one-fifth that of beef; 99.84 milligrams of iron, 2.3 times that of beef; containing 69.19 milligrams of vitamin C and 4.58 milligrams of zinc. It has the health functions such as refreshing fire, clearing the liver and eyesight and eyesight, and becomes a high-grade vegetable for families and restaurants with its tender and delicious taste. First, the choice of species. The pepper leaf No. 1 selected for the vegetable research in Guangzhou was selected. The variety is of high quality, leaves are tender and hypertrophic, with few fibers, good commercial properties, resistance to disease, bacterial wilt, virus disease, strong plant branching, wide adaptability, suitable for multiple harvests, and field cultivation yield of 1000 kg/. More than mus, shading net cultivation in summer and autumn, yield up to 1200 kg / mu more. Second, sowing. Choose fertile, well-drained, and planted soils that have not been planted with solanaceous plants. About 2500-3000 kg of manure per acre and 50 kg of superphosphate were used as basal fertilizer before sowing. The planting area is 1 meter wide and the depth and width of the groove are 40 centimeters. In areas with high rainfall or high rainfall, sorghum cultivation is preferred for irrigation and drainage. Before sowing, 200-250 times of formalin was sprayed on the surface of the mulberry for 5-7 days to sterilize the soil and the seeds could be sown after the medicinal properties had been dispersed. The planting period for open cultivation is from February to May, and planting can be conducted throughout the year with protective facilities. Before sowing, the seeds shall be soaked in warm water of 54-56°C for 30 minutes, then the seeds shall be soaked in clear water for 7 hours, and the water shall be germinated at 30°C for 3-4 days. The seeds will be sown by 70% of the buds. The sowing method is based on live broadcast and can be broadcasted or broadcast. Drilling begins with a shallow ditch in the surface, with a ditch of 10-12 cm. Cover the earth after sowing, soak it with water and cover it with a shade net or straw. The general use amount is 0.5-0.75 kg/mu. Third, field management 1, fertilizer management. The leaf-type peppers require a larger amount of nitrogen fertilizer, and the top-dressing peppers are preferably used with composted manure, grass ash, ammonium sulfate or urea. From the emergence to the first harvest need to be 3-5 times fertilizer; after each harvest need to timely fertilizer, with 15 kg of urea per acre, 7.5 kg of compound fertilizer (nitrogen: phosphorus pentoxide: potassium oxide = 15:15: 15) Apply to water. Keep the soil moist after sowing so as to facilitate seed germination. When the seed begins to break ground, it is necessary to timely remove the coverings such as the shade net. When the plant base is not completely lignified, suitable amount of water should be controlled to prevent downy mildew, blight and so on. During the growing season, it is required to keep the soil moist and avoid water accumulation, so as to avoid rot. 2, and time seedlings. When the plants are 5-6 cm high, they usually leave 1 seedling every 15 centimeters and combine with weeding and topdressing. 3, covering the shade net. High-temperature and strong light irradiation in summer and autumn is not conducive to improving the quality and yield of pepper leaves, and can be covered with a shade net with a shading rate of 50%, and the height of scaffolding is 1-1.2 meters. According to the survey, covering with shade nets, the leaves of the peppers were soft and yellow in the green, and there were no dog ears and leaves. The yield per mu was more than 200 kg more than the open land. From the perspective of economic benefits, it is recommended that shade nets be used in summer and autumn. 4, stay in the science. In order to obtain higher yields, the early plants are small and the remaining plants are more. As the plants grow, after each harvest, the weak and weak plants are removed and the spacing of the plants is kept above 25 cm to ensure that the plants have 50-60% of the leaves. It is shaded and can be used directly. Fourth, pest and disease control. Pest and disease prevention adheres to the principle of “prevention first, comprehensive prevention and controlâ€, using biological pesticides or high-efficiency, low-toxicity and low-residue pesticides, spraying once after harvesting, and applying fresh lime 15 kg/mu on the surface of the trench. about. 1. Diseases: The main diseases are damping-off, epidemics, bacterial wilt, and anthrax. The damping-off disease can be controlled alternately with 25% fluocin suspension 1500 times, 77% WP 1000 times, etc. The epidemic can be controlled by lukexing and 25% thioredoxin wettable powder 600-800 times; Bacterial wilt can be controlled by 10 million units of agricultural streptomycin; anthrax can be controlled by 40% extermination and 800 times dilution of Weiwei. 2. Insect pests: The main insect pests are aphids, beet armyworm, Spodoptera litura, and fleas. The aphids can be controlled with 10% Da Zongchen wettable powder 1000 times; Spodoptera exigua can be controlled with 2.5% vegetable butter emulsion 1000 times; Spodoptera litura can be controlled with 5% stuck potassium 1000 times solution; Double liquid prevention. Fifth, timely harvest. The first harvest was appropriate for the buds of flowers. The method is to leave 4-6 nodes at the base of the plant to harvest the stem leaves and the growth leaves. Generally, they are harvested once every 20-25 days, and no spraying can be applied within 2 weeks before harvesting.
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