The effect of pH on the dry weight of Acer rubrum ‘Armstrong,’ October Glory’ and ‘Red Sunset’ roots and shoots.
| pH ‘Armstrong’ | ‘October Glory’ | ‘Red Sunset’ | |
|---|---|---|---|
| Root weight (gm)z | |||
| 5.5 | 5.29 | 5.28 | 7.86 |
| 7.5 | 3.50 | 5.25 | 6.08 |
| New growth of stems (gm)z | |||
| 5.5 | 11.8 | 9.25 | 13.3 |
| 7.5 | 6.9 | 8.35 | 11.8 |
HSD P = .05, For roots 1.371; for shoots 1.793
↵z Average weight of 8 plants.