TY  - GEN
AU  - Grace,N.H.
TI  - Vegetative propagation of conifers. I. Rooting of cuttings taken from the upper and lower regions of a Norway spruce tree
KW  - Vegetative propagation
KW  - Conifers
KW  - Root cuttings
KW  - Norway spruce tree
KW  - Hormone treatment
KW  - Physiological differences
ER  -