| 1. |
INOCULATED LEGUMES AS NITROGENEOUS FERTILIZERS |
| |
Soil Science,
Volume 12,
Issue 5,
1921,
Page 365-408
P. BROWN,
J. STALLINGS,
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ISSN:0038-075X
出版商:OVID
年代:1921
数据来源: OVID
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| 2. |
PRELIMINARY NOTE ON THE MICROBIOLOGY OF THE SOIL AND THE POSSIBLE EXISTENCE THEREIN OF INVISIBLE GERMS |
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Soil Science,
Volume 12,
Issue 5,
1921,
Page 409-412
GIACOMO ROSSI,
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ISSN:0038-075X
出版商:OVID
年代:1921
数据来源: OVID
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| 3. |
THE COLORIMETRIC DETERMINATION OF SOIL IN A COLORED WATER EXTRACT |
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Soil Science,
Volume 12,
Issue 5,
1921,
Page 413-418
PAUL EMERSON,
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ISSN:0038-075X
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年代:1921
数据来源: OVID
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| 4. |
THE USE OF SILICA CRUCIBLES FOR THE DETERMINATION OF POTASSIUM IN SOILS |
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Soil Science,
Volume 12,
Issue 5,
1921,
Page 419-419
J. JONES,
J. REEDER,
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ISSN:0038-075X
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年代:1921
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