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Phenotypic variation in Larix lyallii and relations in the larch genus
(1988)
Larix Iyallii Parl, (alpine larch) is a small to medium tree
restricted to the timberline zone of the mountainous regions
of the Pacific Northwest of the United States and the adjacent
southwest of Canada. To examine ...
Genetic variation in growth and yield components of juvenile balsam poplar (Populus balsamifera L.) growing in northwestern Ontario / by Frank Schnekenburger
(1988)
A nursery and greenhouse study of balsam poplar (Populus
balsamifera L.) were carried out in Thunder Bay, Ontario, to
study the extent and nature of variation in growth and its
relation to the following yield components: ...