The second is ventilation and temperature and humidity management. On sunny days, when the temperature in the greenhouse is high, the two greenhouses are opened to cool down. Cloudy days can only be ventilated before and after noon. During cold season cultivation, in addition to the cover film, it is also possible to use a small shed in the greenhouse or to cover the straw in the small shed. In autumn and winter cultivation, it is necessary to reduce the number of ventilation, and later to adopt multiple layers of coverage, increase the temperature inside the shed to prevent the occurrence of low temperature hazards. Ventilation and air humidity adjustment. Under the premise of ensuring the temperature in the shed, ventilation is conducted to reduce the humidity. The third is watering and top dressing. When the first batch of fruit in the crop begins to swell, it will be top-dressed with fertilizer and promote flowering results. In the full fruit period, the amount of watering and fertilizer shall be increased to prevent defertilization; the frequency of watering and watering shall be flexibly adjusted according to weather conditions, and top-dressing Combination of watering. The results of the previous period, once every 10-15 days, urea 5-8 kg per mu; full fruit every 7-10 days topdressing once, apply 10-15 kg of urea per mu, potassium sulfate 8-10 kg. The fourth is pest control. 1. Strengthen field management. Remove diseased leaves, diseased branches, and diseased fruits in a timely manner, and bring them out of Daejeon to eliminate them centrally; control watering, strengthen ventilation and ventilation in the sunny days, and lower the temperature in the greenhouses; use formula fertilization to improve plant disease resistance. 2. The prevention and treatment of pharmaceuticals is mainly prevention. Control of the epidemic in the early stage of the disease spraying, can choose to use a copper frost, can kill, stop bacteria and other agents, the stem base and root incidence of rough spray can be used; tender stem or leaf disease spray, and can also cure brown spot, anthrax Illness and so on. Control powdery mildew can choose to use carbendazim, agricultural resistance 120 and other agents. The control of gray mold can use quick-acting, gray grams, acetaminophen and other agents.
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The main points of planting management of solanine fruit in greenhouse in autumn and winter
One is to apply base fertilizer. A large number of high-quality organic fertilizers were added, and 2000-2500 kilograms of fully excreted livestock and poultry manure was applied per acre, with the application of 30-40 kg of phosphate fertilizer, combined with deep fertilization of soil 40-45 cm.