Authors: John L. Torbert, Research Associate, James A. Burger, Professor, and James E. Johnson, Extension Project Leader, Natural Resources, College of Forestry, Virginia Tech
Publication Number 460-136, June 1996
Figure 3. Soil compaction affects tree growth. The two trunk segments were taken from 13-year-old white pines growing on reclaimed mine sites. The smaller segment was taken from a compacted site, with site index (SI) of 65. The larger segment was taken from an SI 100 site.