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The effect of nitrogen and phosphorus on the early development of Pinus ponderosa Laws, seedlings in soil and sand cultures under greenhouse conditions

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Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/551714
Date January 1964
CreatorsPotter, John Richard, 1939-
PublisherThe University of Arizona.
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageEnglish
Typetext, Thesis-Reproduction (electronic)
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.

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