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Filtering by: Contributor advisor sim Waring, R. H. Committee Member Dilworth, J. R.

Physiological responses of four Douglas-fir populations in three contrasting field environments

Creator:

Emmingham, William H.

Abstract:

When trees from 16 populations of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco. var. menziesii) were grown at ten geographically diverse locations for seven years, those from a Vancouver Island source were among the top three for height growth on nine of the ten plantations (Rowe and Ching, 1974). In contrast, growth...

Resource Type:

Dissertation