Evaluation of Fire-produced Seedbeds for Jack Pine Regeneration in Central Ontario

Abstract

Burning and seeding were successfully used to regenerate jack pine after cutting in central Ontario. Two years after seeding, the depth of post-burn humus was measured under 2769 seedlings, of which 729 were dominant ones of known height. Generally, jack pine frequency distribution and heights of dominant jack pine were strongly affected by the depth of residual humus. The relationships were curvilinear and mostly inverse. They were subsequently used as guides in seedbed evaluation.