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Nitrogen fixation by scotch broom (Cytisus scoparius L.) and red alder (Alnus rubra Bong.) planted under precommercially thinned Douglas fir (Pseudotsuga menziesii (Mirb.) Franco) /

Thesis (Ph. D.)--Oregon State University, 1981. / Typescript (photocopy). Includes bibliographical references (leaves 79-81). Also available on the World Wide Web.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/8400008
Date January 1981
CreatorsHelgerson, O. T.
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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