Shade Effects in Ponderosa Pine
Abstract:Experiments in progress since 1929 have shown that ponderosa pine does not develop normally in the Southwest if overhead cover intercepts as much as half of the insolation. Side shade improves the form and is on the whole beneficial if the tree receives full sunlight from above during most of the day. Sapling and pole stands, even under dense stocking, need the side shade of larger trees in order to develop a form suitable for saw timber.
Document Type: Journal Article
Affiliations: Southwestern Forest and Range Experiment Station
Publication date: October 1, 1940
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