Tree Planting Fundamentals (.pdf) – Research-based overview from the Journal of Arboriculture.
Creating the Urban Foresty: The Bare Root Method(.pdf) – For many species, bare root trees works as well or better than balled and burlapped stock — plus they’re cheaper and easier to handle. Here’s how to plant them.
Journal articles – Technical papers on transplanting by researchers at Cornell’s Urban Horticulture Institute.
New Tree Planting – International Society of Arboriculture brochure series.