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Size and Survival of 2-0 Douglas-fir Seedlings
作者
Joe B. Zaerr / Denis P. Lavender / Oregon State University. Forest Research Laboratory
出版1976
ISBN
OCLC:247686549
主題
Douglas fir
Lifting and Storing Western Conifer Seedlings
作者
Richard K. Hermann / Denis P. Lavender / Joe B. Zaerr / Oregon State University. Forest Research Laboratory
出版1972
ISBN
OCLC:247680374
主題
Conifers
Some Guidelines for Planting 2-0 Douglas-fir in Or...
作者
Joe B. Zaerr / Denis P. Lavender / Oregon State University. Forest Research Laboratory
出版1972
ISBN
OCLC:247380495
主題
Douglas fir