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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:: Size and Survival of 270 Douglas-Fir Seedlings Joe B. Zaerr Denis P. Lavender Research Paper 32

Creator:: Heiner, Terry Charles, 1941-, Lavender, Denis P., and Oregon State University. Forest Research Laboratory
Abstract:: Although the Douglas-fir region of the northwestern United States and British Columbia is frequently considered to have a common silviculture, obstacles to successful regeneration of the species range from competing vegetation and mammals on the mesic sites to extreme drought and heat on the xeric southerly exposures in northern California...
Resource Type:: Technical Report
Full Text:: Seedlings By Terry D. Heiner Denis P. Lavender September 1972 Research Paper 14 Forest Research

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:: . LAVENDER W. SCOTT OVERTON Research Paper 13 August 1972 Forest Research Laboratory OREGON STATE

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