近年来,浙南山区大力推广反季节蔬菜,对茄果类、瓜类等喜温作物普遍利用大中棚设施作延秋栽培,以延长蔬菜供应期至元旦到春节。实践证明,利用大中棚培育壮苗是蔬菜延秋栽培的主要技术环节。1.苗床消毒,施足底肥苗床需要膜网双盖,先盖膜,用压膜线压紧膜后再盖遮阳网。苗床亩(1亩 In recent years, mountainous areas in southern Zhejiang to promote anti-seasonal vegetables, solanaceous fruits, melons and other temperature-tolerant crops commonly used greenhouse facilities for the extension of autumn cultivation, to extend the vegetable supply period from the New Year to the Spring Festival. Practice has proved that the use of medium and large nursery shed cultivation of vegetables is the main technical aspects of autumn cultivation. 1. Seedbed disinfection, Shi enough seedbed need double net membrane cover, first cover film, with a film line compression film and then cover shade net. Seedbed acres (1 acres