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１．日光温室越冬茬黄瓜生产的基本条件利用塑料日光温室进行越冬茬黄瓜生产是立足于不加温或基本不加温（有限度的临时性补温），因此，对温室的建造和管理要求严格。无论采用什么结构形式的高效节能日光温室，在严冬季节所创造的温度条件，必须满足黄瓜生长最基本的需要。依?
1. The basic conditions of winter cucumber production in solar greenhouse The winter production of plastic cucumber is based on the non-heating or basic non-warming (limited temporary warming), therefore, the construction and management of the greenhouse demanding. Regardless of the structure of the energy-efficient solar greenhouse, the temperature conditions created in the harsh winter season must meet the most basic needs of cucumber growth. according to?