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Creator:: Zaerr, Joe B., Lavender, Denis P., and Oregon State University. Forest Research Laboratory
Abstract:: Results reported here are from a large study designed to evaluate the effects of certain nursery procedures on subsequent survival of Douglas-fir seedlings. The effects of storage conditions and lifting dates were reported elsewhere (9). The determination of the optimum size of seedling for planting on different sites has been...
Resource Type:: Technical Report
Full Text:: randomly. One site was located on a low ridge at an elevation of 127 m (425 ft) and was ploughed before

Creator:: Lavender, Denis P., Overton, W. Scott, and Oregon State University. Forest Research Laboratory
Abstract:: The effects of a range of thermoperiods and soil temperatures upon growth of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings were studied. The seeds, of varieties glauca and menziesii, came from eight widely separated areas. Plants from both varieties made maximum growth with soil and air temperatures between 18 and 24...
Resource Type:: Technical Report
Full Text:: elongation of loblolly pine (Pinus taeda L.) by Kramer (22) or red fir (Abies magnifica A. Murr.) and Jeffrey

Creator:: Black, Hugh C., 1941-, Dimock, Edward J., Evans, James, 1930-, Rochelle, James Arthur, 1942-, and Oregon State University. Forest Research Laboratory
Abstract:: Mammal and bird damage recorded on Douglas-fir and ponderosa pine plots-randomly established in Oregon and Washington during 1963-64, then observed for 5 to 10 years-was evaluated for impact on survival and growth. In all, 194 plots were installed, and 10 of the 110 seedlings on each plot were caged to...
Resource Type:: Technical Report
Full Text:: -457 m). During years 1-5, 15 percent of ponderosa pine trees were dam- aged each year on the 29 plots

Creator:: Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: ." Agric. Meteorology 8(1):39-50. January 1971. GAY, L. W., R. L. STEBBINS, and R. M. BLACK. "The Effect

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