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Planting and tending recommendations for black walnut / F.W. von Althen.

by von Althen, F. W.
: Environment Canada, 1979.

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PLANTING AND TENDING RECOMMENDATIONS FOR RED OAK, BLACK WALNUT, AND WHITE ASH

: Environment Canada, 1979.

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Ten-year results of thinning and fertilizing of a pole-sized black walnut plantation / F.W. Von Althen.

by Von Althen, F. W.
Sault Ste. Marie, ON : Great Lakes Forest Research Centre, 1976.

Series: Report (Great Lakes Forest Research Centre) ; 0-X-245

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Site preparation and post-planting weed control in hardwood afforestation : white ash, black walnut, basswwod, silver maple, hybrid poplar / F.W. von Althen.

by Von Althen, F. W.
Ottawa : Canadian Forestry Service, 1981.

Series: Report (Great Lakes Forest Research Centre) ; 0-X-325

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Performance of black walnut-white pine plantations in southwestern Ontario / F.W. Von Althen and J.D. Nolan ; funded under the Canada-Ontario Forest Resource Development Agreement.

by Von Althen, F. W.
Sault St.Marie, Ont. : Great Lakes Forestry Centre, Canadian Forestry Service, 1988.

Series: Joint report (Great Lakes Forestry Centre) ; no. 13