Details of harrows on Danish cultivator. Cultivation.

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

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

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

Details of mechanical thinner designed at nursery. Thinning seedbeds.

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

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

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

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

View of different containers,- Jiffy, Jiffy 7, Domtar tretube, Ont tubes, Paper pot, Conwed. Jack pine, 1+0, containers.