一、制造营养钵的模具。木制模具长三尺,宽一尺一寸,高二寸,每台七十个方格,每格三寸见方(包括木板厚度),四围挡水板比方格板高一寸。方格上小下大,有一定锥度,便于营养土成型后退出模具。模具形式简单,如旧式方格窗,各社、队均可自己加工制造。 First, the mold manufacturing nutrition bowl. Wooden mold is three feet long, one foot one inch wide, two inches high, each of seventy squares, each square inch square (including the thickness of the board), around the flap higher than the grid board one inch. Checkered on the big, there is a certain degree of taper, easy to die after nutrition soil mold out. Die form is simple, such as the old grid window, the community, the team can manufacture their own processing.