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A comparison of four treatments for weeding Engelmann spruce plantations in the Interior Cedar Hemlock Zone of British Columbia
- WHITEHEAD, Roger J. - HARPER, George James. comparison of four treatments for weeding Engelmann spruce plantations in the Interior Cedar Hemlock Zone of British Columbia : ten years after treatment. Victoria : Canadian Forest Service, 1998. vi, 21 s. Information report, BC-X-379. ISBN 0-662-26608-0. ISSN 0830-0453.
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