Browse Items (13651 total)

Phosphorus deficiency in seedling jack pine at 70 days from germination. Jack pine, 1+0, nutrient deficiency - phosphorus.

General view of the first rhizometer made, n.b. wooden construction. 1+0, root measuring equipment - Rhizometer.

First rooted spruce cuttings at Glendon Hall, these were part of Ivyr student Wally Bidwell's project. Black spruce, 1+0, cuttings, rooted.

A mechanical seedbed thinner designed at Thunder Bay nursery. Thinning seedbeds.

Details of mechanical thinner designed at nursery. Thinning seedbeds.

Seedling harvester developed at nursery, note manner of movement of seedlings to remove soil. Lifting, seedling harvester.

Details of mechanical harvester developed at nursery. Lifting, with harvester.

Cultivating a la Niels Kreiberg in transplant stock. Black spruce, 2+1, cultivating.

Details of harrows on Danish cultivator. Cultivation.

Rooted black spruce cutting taken from outstanding plantation tree. Black spruce, 1+0, cutting.