Effect of 8 mulch treatments and a nonmulched control on stem caliper, height, and leaf dry mass of Acer rubrum Fairview Flame®.
| Treatment | Heightz(cm) | Stem calipery(cm) | Leaf dry massx (g) |
|---|---|---|---|
| Lava rock | 222w av | 4.1u ab | 441t abc |
| Wood chip | 222 a | 4.1 ab | 423 abc |
| Pea gravel | 220 a | 4.2 a | 467 a |
| Crushed brick | 219 a | 4.2 a | 478 a |
| Control | 219a | 4.1 ab | 419 abc |
| Carmel | 218 a | 4.2 a | 463 ab |
| River rock | 214 a | 4.2 a | 449 abc |
| Screened pine | 214a | 4.0 ab | 398 bc |
| Shredded bark | 210a | 3.9 b | 383 c |
↵z Height measured from ground level to highest shoot apex on September 20, 1997.
↵y Stem caliper measured 15 cm (6 in.) above ground level on September 19, 1997.
↵x Leaves harvested October 4 and 5, 1997.
↵w Data shown are means of 10 observations.
↵v Mean separation within columns by LSD, P ≤ 0.05.
↵u Data shown are means of 10 observations. Each observation is the average of measurements taken at 1) the widest point on the stem, and 2) rotated 90° clockwise from the first measurement.
↵t Data shown are means of 10 observations.