高温季节种青菜（“火青菜”）易受高温干旱或阵雨的影响 ,造成缺苗或菜秧大量死亡。菜农为了在高温季节种好青菜 ,确保淡季供应 ,总结出以下保苗措施 :（１）菜地宜选用砂壤土 ,因其保水和排水性较好 ,阵雨后秧苗死亡较少。前作以毛豆、菜豆、黄瓜等为宜。整地前先清洁田园 , High-temperature season planting vegetables (“fire green vegetables”) susceptible to high temperature and drought or showers, resulting in a large number of missing seedlings or vegetables died. Vegetable farmers in order to grow good vegetables in the hot season, to ensure the supply of off-season, summed up the following seedling conservation measures: (1) should choose sandy loam soil, because of its better water and drainage, seedlings less deaths after the showers. Before the use of soybeans, beans, cucumber, etc. is appropriate. Before cleaning the pastoral garden,