豇豆富含蛋白质、胡萝卜素和多种维生素,营养价值高,而且较耐高温干燥,植株生长强健,我国北方地区一般以露地栽培为主,春季早熟栽培的较少。为使春豇豆提早上市,实现高产高效,笔者实践总结出豇豆春提早先扣天后覆地一膜双用栽培模式,投入低、产品上市早,经济效益显著提高。 Cowpea is rich in protein, carotene and vitamins, high nutritional value, but also more resistant to high temperature and dry, strong growth of plants in northern China generally open-field cultivation, less early spring cultivation. In order to make early listing of spring cowpea, to achieve high yield and high efficiency, the author summed up the practice of cowpea spring earlier deducted days after a film double-covered cultivation mode, low investment, product market early, the economic benefits significantly improved.