Understory Vegetative Diversity of Post-Thinned Pine Plantations Treated with Fertilizer, Fire and Herbicide in East Texas

Table 1

Percent of ground cover classes by fertilization and burning treatments within the first two posttreatment years, cherokee ridge and sweet union research sites combined, east Texas, USA. *significantly different within column at P = .1 from analysis of various test proc GLM (SAS, ver 8).

Treatment	Year 1	Year 2
Unfertilized, unburned	51%-75%	51%-75%
Fertilized, unburned	51%-75%	51%-75%
Fertilized, burned	51%-75%	76%-90%
Unfertilized, burned	21%-50% *	51%-75%