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| 1. |
THE LOESS SOILS OF THE NEBRASKA PORTION OF THE TRANSITION REGION: III. POTASH, SODA, AND PHOSPHORIC ACID |
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Soil Science,
Volume 1,
Issue 4,
1916,
Page 299-316
F J Alway,
R M Isham,
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PDF (877KB)
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ISSN:0038-075X
出版商:OVID
年代:1916
数据来源: OVID
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| 2. |
SOME FACTORS THAT INFLUENCE NITRATE FORMATION IN ACID SOILS |
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Soil Science,
Volume 1,
Issue 4,
1916,
Page 317-338
E B Fred,
E J Graul,
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PDF (1107KB)
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ISSN:0038-075X
出版商:OVID
年代:1916
数据来源: OVID
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| 3. |
STUDIES IN SULFOFICATION |
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Soil Science,
Volume 1,
Issue 4,
1916,
Page 339-362
P E Brown,
H W Johnson,
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PDF (1221KB)
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ISSN:0038-075X
出版商:OVID
年代:1916
数据来源: OVID
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| 4. |
BACTERIAL NUMBERS IN SOILS, AT DIFFERENT DEPTHS, AND IN DIFFERENT SEASONS OF THE YEAR |
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Soil Science,
Volume 1,
Issue 4,
1916,
Page 363-380
Selman Waksman,
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PDF (853KB)
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ISSN:0038-075X
出版商:OVID
年代:1916
数据来源: OVID
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| 5. |
THE INOCULATION AND INCUBATION OF SOIL FUNGI |
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Soil Science,
Volume 1,
Issue 4,
1916,
Page 381-403
Nicholas Kopeloff,
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PDF (977KB)
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ISSN:0038-075X
出版商:OVID
年代:1916
数据来源: OVID
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