Total biomass (g±SE), root/shoot ratio, and percentage of the various tree components of control (unclipped) and clipped trees for two clipping treatments and four harvesting seasons.

Aboveground is the sum of stem, branches, and needles, belowground is the sum of coarse and fine roots. Different letters indicate significant differences among harvesting seasons within one treatment (P<0.05). * P<0.05, ** P<0.01, and *** P<0.001 indicate significant differences between 'Control' and 'Clipped' trees.