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| 1. |
SYMBIOTIC NITROGEN FIXATION AS INFLUENCED BY THE NITROGEN IN THE SOIL |
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Soil Science,
Volume 9,
Issue 5,
1920,
Page 275-328
WILLIAM ALBRECHT,
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PDF (2698KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 2. |
THE POTENTIAL BIOCHEMICAL ACTIVITY OF THE SPORES OF SOIL BACTERIA |
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Soil Science,
Volume 9,
Issue 5,
1920,
Page 329-370
J. NELLER,
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PDF (503KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 3. |
FIELD EXPERIEMENTS OF THE AVAILABILITY OF NITROGENOUS FERTILIZERS, 1908–1917 |
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Soil Science,
Volume 9,
Issue 5,
1920,
Page 371-371
J. LIPMAN,
A. BLAIR,
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PDF (1160KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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