Top Pruning of Ponderosa Pine

The Mt. Shasta-Nursery decided to see if a better balanced tree for field planting could be produced by cutting off a portion of the tops of 3-0 pine seedlings. This experiment was started in the summer of 1963, when the ponderosa pine seedlings were 3 years old.


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Author(s): Karl B. Landquist

Publication: Tree Planters' Notes - Issue 79 (1966)