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Dominant ponderosa pines do respond to thinning

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By: Barrett, James W. (James Willis), - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, [1963]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Oregon Ponderosa pine Pringle Falls Experimental Forest Thinning
Spacing and understory vegetation affect growth of ponderosa pine saplings

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By: Barrett, James W. (James Willis), - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, [1965]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library

Subjects: Effect of forest management on Oregon Ponderosa pine Pringle Falls Experimental Forest Spacing Thinning