Bacteriological Studies of the Fixation of Nitrogen in Certain Colorado Soils
| Title | Bacteriological Studies of the Fixation of Nitrogen in Certain Colorado Soils PDF eBook |
| Author | Walter George Sackett |
| Publisher | |
| Pages | 56 |
| Release | 1911 |
| Genre | Nitrogen |
| ISBN |
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Bacteriological Studies of the Fixation of Nitrogen in Certain Colorado Soils
| Title | Bacteriological Studies of the Fixation of Nitrogen in Certain Colorado Soils PDF eBook |
| Author | Walter George Sackett |
| Publisher | |
| Pages | 42 |
| Release | 1911 |
| Genre | Nitrogen |
| ISBN |
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The Fixation of Nitrogen in Colorado Soils
| Title | The Fixation of Nitrogen in Colorado Soils PDF eBook |
| Author | Benjamin Franklyn Kaupp |
| Publisher | |
| Pages | 564 |
| Release | 1911 |
| Genre | Alfalfa |
| ISBN |
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The Ammonifying Efficiency of Certain Colorado Soils
| Title | The Ammonifying Efficiency of Certain Colorado Soils PDF eBook |
| Author | Walter George Sackett |
| Publisher | |
| Pages | 52 |
| Release | 1912 |
| Genre | Nitrification |
| ISBN |
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The Fixation of Nitrogen in Some Colorado Soils
| Title | The Fixation of Nitrogen in Some Colorado Soils PDF eBook |
| Author | William Parker Headden |
| Publisher | |
| Pages | 116 |
| Release | 1910 |
| Genre | Nitrogen |
| ISBN |
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Bulletin
| Title | Bulletin PDF eBook |
| Author | |
| Publisher | |
| Pages | 990 |
| Release | 1920 |
| Genre | Agriculture |
| ISBN |
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Bulletin
| Title | Bulletin PDF eBook |
| Author | United States. Dept. of Agriculture |
| Publisher | |
| Pages | 1458 |
| Release | 1928 |
| Genre | Agriculture |
| ISBN |
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