Orhtic acid brown wooded, N.B. little differentiation in colour Photo: Canadian Department of Agriculture. Alfisol. P, C, D.

Orono - clonal spruce trial - note growth differences

Orono - graft on PNs - field grafting after 10 years

Orono - grafted PIm (black spruce). Bill Baker & Glen McLeod

Orono - grafted PNs (white pine) in overwintering house

Orono - selected white pine trial - note difference in form

Orono - Spruce clonal trial - note growth difference

Orono - Vegetative Propagation Centre

Orthic alpine brown. Photo Canadian Departpment of Agriculture. Inceptisol, P, C, D.

Orthic alpine brown soil. Slide from Canada. Department of Agriculture. Inceptisol, P, C, D.