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  1. Physiological and anatomical studies of several groups of Douglas-fir (pseudotsuga menziesii (Mirb.) Franco) seedlings which...

    Several hundred two year old Douglas-fir (Pseudotsuga

  2. Physiological and morphological responses to water deficit in seedling progeny of four populations of Douglas-fir...

    The relationships among total water potential (psi), osmotic potential ([pi]), pressure potential (P), and relative water content (R*) were determined during four consecutive soil drying cycles for shoots of...

  3. Root regeneration potential in Douglas fir and Western hemlock seedlings : the role of environmental factors and current...

    Three experiments were conducted on containerized seedlings to examine the short-term and long-term effects of environment on the root regeneration potential, and to examine the fate of the current...

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