| Title: | Distribution and activity of azotobacter in the range and cultivated soils of Arizona |
| Author: | Martin, W. P. (William Paxman), 1912- |
| Note: | University of Arizona, 1940 |
| Link: | page images at HathiTrust; US access only |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Azotobacter |
| Subject: | Soil microbiology -- Arizona |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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