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Photographed identified as Mr. MacDonald.

Photographed in this picture is Mr. Magwood.

Pictured in this photograph is Paul Baielay.

A person identified as Mr. Magwood.

Graph on the relation between fertilizers content and seedlings dry weight increase

Equations used by Dr. Ken Armson

Graph on white spruce relative growth rate over time

Nitrogen mg per 1000 seedlings (graph)

Graph on fertilizers uptake rate and its relation with Douglas fir growth rate over months

Graph on relative growth rate over months (fertilizers vs control effects)