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Books by John Jacob Putnam

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2 books found
The bacteria of Nebraska soil with special reference to the fixation of nitrogen, annomification, denitrification and in non-protein media: Including ... of nitrates by soil bacteria in general
The bacteria of Nebraska soil with special reference to the…
By: John Jacob Putnam
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The bacteria of Nebraska soil with special reference to the fixation of nitrogen, annomification, denitrification and in non-protein media. Including ... of nitrates by soil bacteria in general
The bacteria of Nebraska soil with special reference to the…
By: John Jacob Putnam
View Details