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大棚菜豆的种植面积目前在京郊大棚蔬菜生产中所占此例不大,近年来,随着棚内蔬菜间、混、套种的增加,菜豆的种植面积相应有所增长,但就它的上市量来讲,远远不能满足早春市场的要求。影响大棚菜豆面积发展的主要原因是单产不高,经济收益偏低。为了提高大棚菜豆产量,推动大棚果菜的多品种供应,1977年春季,我们围绕菜豆的早熟丰产栽培技
The area under cultivation in greenhouses is currently small in the production of greenhouses in the suburbs of Beijing. In recent years, with the increase of greenhouses, intercropping and intercropping, the planted area of bean has correspondingly increased. However, In terms of quantity, far from meeting the requirements of the market in early spring. Affect the development of greenhouses area of the main reason is the yield is not high, low economic returns. In order to improve the yield of green beans in the greenhouse and promote the supply of various varieties of fruits and vegetables in greenhouses, in the spring of 1977, we focused on the precocious and high yield cultivation of beans