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肥足。有针对性地施足基肥如黄瓜喜钾,青菜喜氮,蕃茄喜磷钾等,重施壮苗肥、提苗肥,追施结瓜肥。透光。光照是作物进行光合作用生长发育的保证。每天日出前,试擦大棚薄膜水滴尘埃,保持良好的透光性能,用反光膜延长和增强光照,同时适当地疏去老叶、阴叶。保温。做到日出早揭帘,日落早盖严,膜破早贴补,地膜棚内铺,严寒气候来,还须添火炉。调气。棚内二氧化碳比空气低100～150ppm,而实践证明,提高二氧化碳浓度到
Fat feet. Targeted application of base fertilizer such as cucumber hi potassium, vegetables hi nitrogen, tomatoes, such as phosphorus and potassium, re-Shi strong Miao Fei, mention Miaofei, top-cucumber fertilizer. Light. Light is the crop photosynthesis growth and development of the guarantee. Before sunrise every day, try to wipe off the dust of the greenhouse film and keep the good light transmission performance. Use the reflective film to extend and enhance the light, meanwhile, sparse the old leaves and the shade leaves properly. Insulation. As early as the sunrise to make the sun curtain, the sunsets early, strict, broken film early paste, film studio shop, cold weather, but also Tim furnace. Toned. Shed carbon dioxide than the air low 100 ~ 150ppm, and practice has proved that increasing the concentration of carbon dioxide