Evaluation of physiological responses of balsam fir and red spruce trees growing in two pre-commercial thinned (PCT) and four never-pre-commercial thinned (N-PCT) sites in Maine, USA
Evaluation of physiological responses of balsam fir and red spruce trees growing in two pre-commercial thinned (PCT) and four never-pre-commercial thinned (N-PCT) sites in Maine, USA