大棚冻害是早春喜温蔬菜生产的一只拦路虎,它严重影响呼市地区大棚黄瓜、辣椒等作物的早期定植。如1978年4月中旬的一次寒潮天气就造成了呼市郊区大部分大棚黄瓜受冻死亡,从而导致1979年大部分蔬菜社队怕凉,蔬菜不得不推后种植。为了战胜大棚冻害,我们在巧尔报公社东瓦窑热风炉试验点开展了大棚冻害的预测、预报和御防试 Greenhouses frostbite is a stumbling block to the production of hi-temperature vegetables in early spring, which severely affected the early planting of cucumbers and peppers in greenhouses in Hohhot. For example, a cold wave in mid-April 1978 caused most of the greenhouse cucumbers in the Hohhot suburb to freeze and freeze, resulting in the fear of letting the majority of the vegetables and communes in 1979 and the vegetables having to be pushed back for planting. In order to overcome the cold damage in the greenhouses, we carried out the forecast, forecast and defense test