Proceedings of the Tree Shelter Conference, Harrisburg, PA - June 1995 *
Ten Years of Oak Restoration in City of Walnut Creek Open Spaces * by Ralph Kraetsch
The Influence of Treeshelters and Irrigation on Shoot and Root Growth of Three California Oak Species *
Silvics of North America, Volume 1. Conifers * by the United States Department of Agriculture, Forest Service
Silvics of North America, Volume 2. Hardwoods * by the United States Department of Agriculture, Forest Service
How to Release Crop Trees in Precommercial Hardwood Stands
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