Comparative effects of precommercial thinning, urea fertilizer, and red alder in a site II, coast Douglas-fir plantation [microform] / Richard E. Miller, Edmund L. Obermeyer, and Harry W. Anderson (Research paper PNW ; RP-513)
Comparative effects of precommercial thinning, urea fertilizer, and red alder in a site II, coast Douglas-fir plantation [microform] / Richard E. Miller, Edmund L. Obermeyer, and Harry W. Anderson