Fertilization of established douglas-fir christmas tree plantations
Brown, J.H., Vimmerstedt, J.P.
Fertilization of established douglas-fir christmas tree plantations - Wooster 1983 - 15 p. - No. 1154; Ohio Agricultural Re .
634.975.4:581.16
Fertilization of established douglas-fir christmas tree plantations - Wooster 1983 - 15 p. - No. 1154; Ohio Agricultural Re .
634.975.4:581.16