In the fall, the weather turns cold, and the following points should be noted for open field and protected vegetable production: First, open-field vegetables are grown mainly in small varieties such as cabbage, Ganlan, celery, lettuce, leeks, etc. Mainly, such as tomato, cucumber, eggplant, green pepper and so on. Second, before planting the soil, destroy the dead leaves and leaves of the former crop. Third, choose a new variety of vegetables resistant to pests, high quality and high yield, strong resistance, good product performance, suitable for planting in Baotou area. Fourth, nutrition seedlings nursery, matrix seedlings, vegetable grafting technology, improve the nursery facilities, improve the level of nursery, cultivate high-quality seedlings, carry out hardening seedlings before transplanting, lay a good foundation for efficient production of pollution-free vegetables. V. Adjust and optimize the planting structure, arrange scientific trips, adopt three-dimensional planting, and plant off-season cultivation (protection areas), achieve structural diversification, diversification of production, and make full use of time, space, fertility, and season differences to achieve the objective of increasing production and income. . 6. Actively introduce new technologies for the use of vegetable production, planting and applying carbon dioxide fertilization, submerged irrigation, drip irrigation, reflective screens, shade nets, new covering materials, substrate cultivation, and avoiding septum, etc.; open field cultivation using plastic film covering, sprinkler irrigation, drip irrigation, etc. new technology. VII. Promote popularization of soil fertilization techniques, reduce fertilizer use, increase input and use of organic fertilizers, establish a scientific and rational farming system, promote the use of organic and inorganic compound fertilizers, vegetable-specific fertilizers, biological fertilizers, and adopt soil testing and formula fertilization The technology and promotion of formula fertilizers provide scientific basis for fertilizer production for pollution-free vegetables and minimize the adverse effects of chemical fertilizers on vegetable quality and soil structure. Eighth, to strengthen the comprehensive prevention and control of pests and diseases. In the prevention and control process, agricultural and biological control methods should be widely used, scientific and rational use of chemical pesticides, the use of restricted chemical synthetic pesticides, the promotion of the use of high-efficiency, low-toxicity, low-residue chemical pesticides, strict pesticide species, dosage, time and frequency Use procedures, etc. China Agricultural Network Editor
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