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一、夏季速生叶菜生产的主要问题青菜、苋菜、茼蒿、小葱、生菜等速生叶菜的生长期一般在30天以内,露地生产常遭受高温、暴雨、虫害等多种自然灾害,生产风险很大,产量很不稳定。速生叶菜贮藏期短,难以远距离运输,只能以当地生产为主。目前的菜农生产规模小,组织化程度低,而且大
First, the main problems of summer fast-growing leafy vegetables Growing vegetables such as greens, amaranth, chrysanthemum, shallot and lettuce are generally within 30 days. Open-field production often suffers from many natural disasters such as high temperature, rainstorms and insect pests. The production risk is very high Large, the output is very unstable. Fast leafy vegetables storage period is short, difficult to transport long distances, only to local production-based. At present, the vegetable farmers have a small scale of production, a low degree of organization and a large scale