| 1 | Its obvious main root, lateral roots developed. | |
| 2 | Roots are the main root, lateral roots and root hairs developed. | |
| 3 | Deep root sex, advocate, lateral root all develops, grow with deep and fecund riverbed two sides good. | |
| 4 | A hydraulic device is used, so that the tools can be pressed into the roots to cut off the lateral roots of trees. | |
| 5 | The lateral roots grown in forest soil were best and that in hillside soil were second, that in clay soil and sandy soil were following. |