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Application of Welsh Onion in Vegetable Production in Sunlight Greenhouse
Welsh onions are vegetables of the family Liliaceae, two-year-old, hardy and adaptable. The green onion leaves can evaporate vulcanized propylene with a pungent odor. Its root can secrete bactericillin. Both can effectively inhibit the transmission, infestation or killing of various pathogens in the air and soil, and cause the incidence of vegetable plants to decline significantly. . First, the use of planted onion soil preparation of bed soil Preparation of bed soil is generally used for field soil, it is best to choose the planting of green onions soil. If not, put the fields into the greenhouse, spread them into 15 cm thick and plant autumn harvest onions, wait until the green onions have grown for about a month, then carefully pull out green onions and use their soil to prepare bed soil, which can reduce the amount of soil The transmission of sexually transmitted diseases. Second, nursery seedlings greenhouse planting green onions in the greenhouse during the nursery period, as much as possible use of greenhouses around the open space and more autumn harvest onions. In a well-sealed greenhouse, when it enters the greenhouse in the morning, it can smell the smell of pungent propylene sulfide, which is the best in the greenhouse. Third, greenhouse vegetables, tomatoes, cucumbers, and onions are interplanted. When planting cucumbers, tomatoes, and other vegetables in greenhouses in the spring, 7-10 days ahead of schedule, put the onions harvested in the winter and put it in a cool place, and slowly thaw them. After planting cucumbers, tomatoes and other vegetables in a greenhouse, immediately plant a green onion 4-6 cm beside cucumber, tomato and other vegetable plants so that cucumbers, tomatoes and other vegetables grow together with Welsh onion. 4. Mixing or interplanting vegetables with leafy vegetables In autumn and winter, scallion seeds are mixed with leafy vegetable seeds or sow shall be sown in the ditch planted with leafy vegetables. When harvesting leafy vegetables, leave the green onions and turn them into the soil in the next land preparation to disinfect the soil.