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What is protecting vegetables?
Protected vegetable production, also known as vegetable protective cultivation, refers to the cultivation of crops by using protective equipment to create suitable environmental conditions in the season when crops are not suitable for growing in the open field. For example, under cold climate conditions, by using equipment such as plastic film cultivation, small arch shed cultivation, sunshade net cultivation, greenhouse, hotbed, cold bed, plastic shed, etc., suitable microclimate environment such as light, temperature, moisture and ventilation is created, and high-yield and high-value crops such as vegetables and fruits are planted to realize the annual supply of fruits and vegetables.
China's protected vegetable industry is mainly concentrated in the Bohai Rim and Huanghuaihai areas, accounting for about 60% of the country's total area; Followed by the middle and lower reaches of the Yangtze River, accounting for about 20%; The third is the northwest region, accounting for about 7%. Mainly distributed in Shandong, Liaoning, Hebei, Jiangsu, Zhejiang, Ningxia, Inner Mongolia, Shanghai and other regions.
Protected vegetable production facilities and equipment refer to all kinds of buildings and equipment that are artificially built to meet the needs of the whole process of vegetable production with different stubbles and are suitable for and protect the normal growth and development of different kinds of vegetables. It mainly includes greenhouse, plastic greenhouse, insect net, sunshade net, small arch shed, hotbed and other facilities, automatic equipment such as roller blinds and drip irrigation systems, and various machines and tools. People use these vegetable cultivation facilities and equipment to choose different stubbles in different seasons and produce vegetables in four seasons, which meets the national demand for vegetable supply in four seasons to the greatest extent.
Eggplant vegetables play an important role in developing protected vegetable production and improving people's living standards. Eggplant vegetables refer to fruits and vegetables in Solanaceae (vegetables with berries as edible parts), including tomatoes, peppers, eggplants and so on. Solanum fruits are one of the most important fruits and vegetables in vegetable production in China. Their fruits are nutritious, suitable for processing and have high edible value. In addition, it has strong adaptability and is widely cultivated all over the country, which has high economic value. Leafy vegetables refer to vegetables whose edible parts are tender leaves, petioles or tender stems. According to the cultivation characteristics, it can be divided into three kinds: common leafy vegetables, bulbous leafy vegetables and spicy leafy vegetables. Common leafy vegetables include rape, lettuce, celery, chrysanthemum, spinach and leek. It has the characteristics of strong adaptability, rich variety resources, short growth period, fast growth rate, flexible sowing date and harvest date, and occupies an important position in the annual supply of vegetables.
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