在目前蔬菜总量供大于求的形势下，如何提高保护地生产效益是菜农十分关心的问题。也是蔬菜科技工作者和菜区农村干部需要探索的新课题。 厚皮甜瓜是水果中高档水果，风味佳美，香甜可口，随着人们生活日益提高，早春乃至冬季对甜瓜有着迫切需求。长春市露地甜瓜大量上市得７月 At present, under the situation that the total amount of vegetables is over supply, how to improve production efficiency in protected areas is a great concern to vegetable farmers. It is also a new topic that vegetable science and technology workers and rural cadres in vegetable areas need to explore. Thick-skinned melon is a medium-high grade fruit in fruit. Its flavor is delicious, sweet and delicious. As people’s life is increasing, there are urgent needs for melon in early spring and even in winter. Changchun City, a large number of open melon market in July