There are 2 Ways to place the roots into the media
1. If you place the root cutting horizontally on the surface, many smaller-sized plants will emerge (This is what I did with D. admirabilis in the pics below).
2. If you plant the root cutting vertically into the soil (as though it were the roots of a normally growing plant), you will obtain 1 or 2 much larger plants that will reach adulthood much more quickly.