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Filtering by: Advisor Zobel, Donald Creator Dalton, David Andrews

Nitrogen fixation by Purshia tridentata : some ecological aspects and root nodule anatomy

Creator:

Dalton, David Andrews

Abstract:

This study examines several aspects of nitrogen fixation by Purshia tridentata (Pursh) D. C., a rosaceous shrub widespread in the central Oregon pumice region, especially as an understory species in Pinus ponderosa and Pinus contorta forests. Anatomical studies of root nodules under the light microscope revealed strong similarities to other...

Resource Type:

Masters Thesis

Full Text:

wish to express my sincere gratitude to Dr. Donald B. Zobel for his guidance and helpful assistance