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我场职工王凤印承包一栋老式日光温室，由于温室建在７０年代中期．结构极不合理．前沿高度只有２０ｃｍ，温室中部才有１ｍ高，温室面积１５０ｍ２，这样一个小面积温室种植大路菜，加温烧煤费用大，效益小；没帐可算，他采取了早春种植荷兰豆，不用加温，取得了较好的经济效
My staff Wang Feng-yin contract an old-fashioned greenhouse, greenhouse construction in the mid-70s. Structure is very unreasonable. The front height of only 20cm, the middle of the greenhouse only 1m high, the greenhouse area of 150m2, so a small area of greenhouse planting road food, heating coal costs, the benefits of small; no account can be considered, he took the early spring cultivation of Dutch beans, without warming, Achieved good economic efficiency