The minig and preparation of Florida land pebble phosphate
Year of publication: |
1950
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Authors: | Collins, Richard M. ; Jacob, K. D. |
Publisher: |
London |
Subject: | Phosphor | Vereinigte Staaten | Agrarbodendüngung |
Description of contents: |
Jacob, K. D.: Fertiliser technology research in the United States Department of Agriculture. Papers read before the Fertiliser Society in London on 21 April, 1950
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