From: The effect of coppice management on stump volume recovery in mechanized operations
Treatment | Coppice double | Coppice single | Planted | |||||
---|---|---|---|---|---|---|---|---|
Observations | n | 365 | 486 | 543 | p value | |||
Parameter | Mean | SD | Mean | SD | Mean | SD | ||
DBH | cm | 17.3a | 4.9 | 15.2b | 5.1 | 17.0a | 4.7 | <0.0001 |
Height | m | 23.1a | 4.0 | 21.3b | 4.4 | 23.0a | 4.3 | <0.0001 |
Stem volume | m3 | 0.3299a | 0.2245 | 0.1802b | 0.1643 | 0.2310c | 0.1555 | <0.0001 |
Stump height* | cm | 3.49a | 0.08 | 2.20b | 0.08 | 3.05a | 0.07 | 0.0007 |
Stump waste | m3 | 0.0013a | 0.0034 | 0.0005b | 0.0018 | 0.0006c | 0.0015 | <0.0001 |
Waste over stem | % | 0.45a | 1.18 | 0.33b | 1.08 | 0.36b | 0.98 | <0.0001 |