| 1. |
NITROGEN ECONOMY IN THE SOIL AS INFLUENCED BY VARIOUS CROPS GROWN UNDER CONTROL CONDITIONS |
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Soil Science,
Volume 10,
Issue 4,
1920,
Page 249-290
R. WRIGHT,
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 2. |
CROSS‐INOCULATION STUDIES WITH THE NODULE BACTERIA OF LIMA BEANS, NAVY BEANS, COWPEAS AND OTHERS OF THE COWPEA GROUP |
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Soil Science,
Volume 10,
Issue 4,
1920,
Page 291-300
A. WHITING,
ROY HANSEN,
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PDF (431KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 3. |
THE INFLUENCE OF SOIL REACTION ON THE GROWTH OF ALFALFA |
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Soil Science,
Volume 10,
Issue 4,
1920,
Page 301-308
JACOB JOFFE,
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PDF (379KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 4. |
THE EFFECT OF FERTILIZERS ON BLUEBERRIES |
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Soil Science,
Volume 10,
Issue 4,
1920,
Page 309-314
CHARLES BEACKWITH,
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 5. |
COÖPERATIVE EXPERIMENTS FOR THE COMPOSTING OF PHOSPHATE ROCK AND SULFUR |
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Soil Science,
Volume 10,
Issue 4,
1920,
Page 315-326
W. ELLETT,
W. HARRIS,
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PDF (474KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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| 6. |
THE INFLUENCE OF INITIAL REACTION ON THE OXIDATION OF SULFUR AND THE FORMATION OF AVAILABLE PHOSPHATES |
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Soil Science,
Volume 10,
Issue 4,
1920,
Page 327-327
J. LIPMAN,
J. JOFFE,
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PDF (204KB)
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ISSN:0038-075X
出版商:OVID
年代:1920
数据来源: OVID
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