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早春利用中拱棚栽培春结球白菜，较露地栽培可提前30－40天收获上市，同时还具有投入少，栽培简单等特点。667mz可产净菜6000kg左右，产值高达66－9qX）元。目前，山东济南、青州、烟台等地已大面积利用中拱棚栽培，并获得了较好的收益。l选用良种大白菜春季棚室生产属反季节集
Early spring cabbage cultivation Spring Festival cabbage, compared with open-field cultivation can be harvested 30-40 days ahead of the market, but also with less investment, cultivation is simple and so on. 667mz net produce about 6000kg, the output value of up to 66-9qX) yuan. At present, Shandong Jinan, Qingzhou, Yantai and other places have been large-scale use of arch shed cultivation, and get better returns. l selection of elite cabbage spring greenhouse production is an anti-season set