J. A. Drouin

2 publications by J. A. Drouin:

Chemical Control Trials on the Northern Pitch Twig Moth in Alberta

Publication: Tree Planters' Notes - Volume 32, Number 3 (1981)
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Damage by a Willow Shoot-Boring Sawfly in Alberta

Publication: Tree Planters' Notes - Volume 27, Number 4 (1976)
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