| 1. |
EFFECT OF DILUTION ON THE pH OF SOILS TREATED WITH VARIOUS CATIONS |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 1-8
ALFRED PERKINS,
H. KING,
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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| 2. |
A METHOD FOR THE STUDY OF AZOTOBACTER AND ITS APPLICATION TO FERTILITY PLOT SOILS |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 9-26
IRVIN CURIE,
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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| 3. |
THE CARBON‐ORGANIC MATTER FACTOR IN FOREST SOIL HUMUS |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 27-34
HERBERT LUNT,
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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| 4. |
THE EFFECT OF VARIOUS SOURCES OF ORGANIC MATTER ON THE PROPERTIES OF SOILS AS DETERMINED BY PHYSICAL MEASUREMENTS AND PLANT GROWTH |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 35-50
H. SPRAGUE,
J. MARRERO,
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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| 5. |
EXCHANGEABLE CATIONS OF THE SOIL AND THE PLANTI. RELATION OF PLANT TO CERTAIN CATIONS FULLY SATURATING THE SOIL EXCHANGE CAPACITY |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 51-64
K. GEDROIZ,
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ISSN:0038-075X
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年代:1931
数据来源: OVID
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| 6. |
AN IMPROVED SOIL SAMPLING TUBE |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 65-70
HORACE HARPER,
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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| 7. |
The Physical Properties of the Soil |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 71-71
WILLARD GARDNER,
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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| 8. |
ANNOUNCEMENT |
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Soil Science,
Volume 32,
Issue 1,
1931,
Page 72-72
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ISSN:0038-075X
出版商:OVID
年代:1931
数据来源: OVID
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