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1材料与方法试验于1993年8月至10月在本所无土栽培试验大棚内进行。供试材料为散叶中菜（Var.LongifoiaLam），8月26日播种子蛭石育苗盘中。9月11日定植于充气式水培箱中．每箱4株，水培箱容积25L，每箱中装1充气泵，定时充气供氧。营养液用日本国山崎肯哉的生菜配方。试验共9?
1 Materials and Methods Test in August 1993 to October in our soilless cultivation test greenhouse. Test materials for scattered leaf Chinese food (Var. LongifoiaLam), August 26 sowing seed vermiculite seedling tray. Sept. 11 colonized in an inflatable hydroponic box. 4 per case, hydrophone volume 25L, each filled with an inflatable pump, timing inflatable oxygen. Nutrient solution Japanese Yamazaki Kenya lettuce recipe. Test a total of 9?