John C. Bjorkbom

1915

• Response of paper birch seedlings to nitrogen, phosphorus and potassium
• The effects of various combinations of nitrogen, phosphorus, and potassium on paper birch seedling growth
• Allegheny hardwood regeneration reponse to even-age harvesting methods
• Planting paper birch in old fields in Maine
• Production & germination of paper birch seed and its dispersal into a forest opening
• Seedbed-preparation methods for paper birch
• Stand changes in the first 10 years after seedbed preparation for paper birch
• Ten-year growth of planted paper birch in old fields in Maine
• The Tionesta Scenic and Research Natural Areas