由于设施园艺理论和技术的发展,七十年代以后各地开始研究利用温室、塑料大棚创造果菜类蔬菜适宜的生育环境,达到延长收获期,不时消费的目的。尤其是在北方寒 Due to the development of facility horticultural theory and technology, the research on the appropriate breeding environment for fruits and vegetables based on greenhouses and plastic greenhouses began to be conducted around the seventies, achieving the purpose of prolonging the harvest and consuming from time to time. Especially in the north cold