Soil moisture depletion and growth rates after thinning ponderosa pine
By: by Helvey, J. D.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research note PNW -- 243.
Published: 1975
Place of publication: Portland, Or
Language: eng
Subjects: Ponderosa pine -- Thinning -- Oregon.; Ponderosa pine -- Growth -- Oregon.; Soil moisture -- Oregon.; Plants, Effect of soil moisture on.
Notes: Bibliography: p. 9.