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拉萨地区地处高寒地带,气温偏低,无霜期短,蔬菜露地栽培受到一定的限制。特别是在冬春寒冷季节,人们只能食用贮藏的大萝卜、莲花白、大白菜、胡萝卜、洋芋等,种类很少。但是拉萨地区冬春晴天多,日照条件很好,很宜于发展蔬菜的保护地栽培,日光温室就是其中的一种。我场于一九五四年开始修建第一座折腰式加温温室,以牛粪作燃料,羊毛毡作覆盖物的试种瓜果类蔬菜获得成功。但由于燃料缺乏,生产成本较高,限制了温室生产的扩
Lhasa is located in the alpine zone, the temperature is low, frost-free period is short, open-field cultivation of vegetables subject to certain restrictions. Especially in the winter and spring cold season, people can only eat stored radish, lotus white, Chinese cabbage, carrots, potato, etc., very few species. However, the winter and spring in Lhasa are mostly sunny and sunny with good sunshine conditions. It is very suitable for the cultivation of vegetables in protected areas. The solar greenhouse is one of them. In 1954, I started the construction of the first zoomed-out greenhouse with cow dung as a fuel and the blankets covered with candied fruits for success. However, due to lack of fuel, higher production costs have limited the expansion of greenhouse production