General view of seedbeds n.b. height of seedlings; R. Laupert (Supt.). Black walnut, 1+0, seedbeds.

Extracted seedlings to show root development. Black spruce, 3+0, seedlings.

General view of seedbeds. Yellow birch, 2+0, seedbeds.

General view of seedbeds where surface was covered with plastic to bring about more uniform germination n.b. evenness. Black spruce, 1+0, seedbeds.

Close-up of seedlings attacked by Lophodermium pinastri, n.b. the dead foliage and some dead seedlings. Red pine, 2+0, disease, needle cast.

Lophodermium pinastri in seedbeds. Red pine, 2+0, disease, pine needle cast.

Greenhouse seedlings (1/2) sown Feb'72, transplanted Aug'72 and grown through second season (1), i.e. 1/2+1 - field O. Black spruce, 1+1, transplants.

Seedlings sown in greenhouse Feb'73, heeled-in for transplanting photo Aug'73. Black spruce, 1+0, greenhouse seedlings.

Paper pot stock sown June'73 in plastic house and now set outside for overwintering and the spring'74 planting. Jack pine, 1+0, container stock.

Seedlings from treatment with 200 lb/ac N; 10/sq.ft. Red oak, 1+0, fertilization trial.