Seedling growth index measuring device for tomato plug seedling

The utility model discloses a seedling growth index measuring device for tomato plug seedling, belongs to the field of agricultural equipment, and solves the problem that in the prior art, a device which can detect the element content in a seedling pot, is convenient for culturists to effectively monitor a seedling growth culture medium and can accurately measure the seedling growth index is lacked. And the survival rate of the seedlings is improved. The device mainly comprises a seedling raising mechanism and a detection mechanism, the seedling raising mechanism comprises a seedling raising box, a mounting frame, a limiting sleeve and a seedling raising pot, the mounting frame is horizontally and fixedly mounted in the middle of the interior of the seedling raising box, a placement opening is formed in the mounting frame, the limiting sleeve is fixedly connected with the edge of an opening in the upper end of the placement opening, and the seedling raising pot is clamped on the limiting sleeve; the detection