Total root length and total root area of trees growing with (+) and without (-) treeshelters after two years. Some roots < cm in diameter remained in the soil after root system excavation, (n=8 for 3- and 6-month data, n=20 for 1 -year data, n=10 for 2-year data)
Species | Total Root Length (cm) | Total Root Area (cm2) | ||
---|---|---|---|---|
- | + | - | + | |
Fraxinus Iatifolia | 1541 a | 1099 b | 1831 a | 1034 b |
Ginkgo biloba | 273 a | 166 b | 138 a | 52b |
Lagerstroemia indica | 778 a | 636 b | 443 a | 268 b |
Platanus racemosa | 2460 a | 1713 b | 2915 a | 1809 b |
Quercus agrifolia | 485 a | 581 a | 271 a | 276 a |
Quercus lobata | 730 a | 605 b | 555 a | 353 b |
Sequoia sempervirens | 692 a | 539 b | 117a | 195 b |
Values followed by the same letter for each time period are not significantly different from one another at p=0.05 using Scheffe’s multiple separation procedure.