abstract |
The present invention relates to a plant growth promoting ball. The plant growth promoting ball according to the present invention is characterized by comprising: 13-17 wt% of diatomaceous earth, 3-7 wt% of germanium, 3-7 wt% of amethyst, 3-7 wt% of Chuncheon jade, 8-12 wt% of tourmaline, 18-22 wt% of biotite, 13-17 wt% of apatite, and 23-27 wt% of phosphate. |