| 1. |
Alexius A. J de'Sigmond 1873–1939 |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 251-252
S. WAKSMAN,
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 2. |
HYDROLYSIS OF UREA IN SOILS BY THERMOLABILE CATALYSIS |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 253-264
JOHN CONRAD,
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PDF (430KB)
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 3. |
THE ROLE OF ALGAE IN THE NITROGEN CYCLE OF THE SOIL |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 265-276
JACOB STOKES,
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PDF (475KB)
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 4. |
PRIMARY MINERALS OF THE SILT FRACTION AS CONTRIBUTORS TO THE EXCHANGEABLE‐BASE LEVEL OF ACID SOILS |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 277-282
E. GRAHAM,
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 5. |
SURVIVAL OF MICROORGANISMS INTRODUCED INTO SOIL |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 283-294
H. KATZNELSON,
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PDF (464KB)
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 6. |
ORIGIN AND PROPERTIES OF ALKALINE RAW HUMUS |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 295-302
H. GALLOWAY,
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PDF (226KB)
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 7. |
AVAILABILITY OF FIXED POTASSIUM TO PLANTS |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 303-314
L. KOLODNY,
W. ROBBINS,
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PDF (459KB)
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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| 8. |
THE ROLE OF POTASSIUM IN PLANTSII. EFFECT OF VARYING AMOUNTS OF POTASSIUM ON THE GROWTH STATUS AND METABOLISM OF TOMATO PLANTS |
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Soil Science,
Volume 49,
Issue 4,
1940,
Page 315-315
MONROE WALL,
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PDF (675KB)
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ISSN:0038-075X
出版商:OVID
年代:1940
数据来源: OVID
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