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Seedlings watered at intervals of 3, 5 or 9 days. Jack pine, white spruce, 1+0, experimental irrigation.

Seedlings whose roots have been exposed for periods of 2, 6 and 10 hours before simulated planting: Green (2), right (10), middle (6). White spruce, 2+0, root exposure.

Initiation of cabbage-heading, cause unknown. Jack pine, 1+0, cabbage-heading.

Super seedling with R. Laupert (Supt.) White spruce, 3+0, seedling, super.

Keith McClain's fertility/density trial, 1973. White spruce, 2+0, fertilization trial.

Views of mulch being applied and close-up of mulched bed. Mulching.

Hydro mulcher applying a thin coating of a pulp-type mulch to seedbeds. Mulching.

Seedlings being lifted by harvester, n.b. lack of soil on roots. Jack pine, 2+0, lifting.

Seedling harvester lifting jack pine. Jack pine, 2+0, lifting.

Seedling harvester used to lift seedlings. Jack pine, 2+0, lifting.