Article Figures & Data
Tables
Treatment Trunk diameter (cm) Height (m) Annual shoot growth (m) 1986 1987 1988 86-88 1986 1987 1988 86-88 1986 1987 1988 86-88 Auger 26.31 28.78 30.73 4.42 11.25 11.68 11.35 0.10 1.19 0.82 1.21 2.03 Auger + backfill 27.38 30.84 33.58 6.20 11.19 11.88 12.00 0.81 1.42 0.88 1.39 2.27 Water jet 29.74 34.21 37.29 7.55 12.14 12.22 12.00 0.00 1.31 0.97 1.26 2.23 PVC + gravel 28.42 32.84 36.22 7.80 11.95 12.65 12.57 0.62 1.43 0.96 1.57 2.53 Control 28.50 31.72 34.29 5.79 11.81 12.03 12.02 0.21 1.12 0.90 1.20 2.10 ↵* 1986 measurements are baseline before treatments were applied.
F-test revealed differences among treatments were insignificant for p > .05.