|
1. |
NITROGEN AVAILABILITY OF GREEN MANURES |
|
Soil Science,
Volume 22,
Issue 4,
1926,
Page 253-290
F LÖHNIS,
Preview
|
PDF (1474KB)
|
|
ISSN:0038-075X
出版商:OVID
年代:1926
数据来源: OVID
|
2. |
WHY ARE SERPENTINE AND OTHER MAGNESIAN SOILS INFERTILE? |
|
Soil Science,
Volume 22,
Issue 4,
1926,
Page 291-302
A GORDON,
C B LIPMAN,
Preview
|
PDF (518KB)
|
|
ISSN:0038-075X
出版商:OVID
年代:1926
数据来源: OVID
|
3. |
THE TOLERANCE OF PLANTS FOR NaCl |
|
Soil Science,
Volume 22,
Issue 4,
1926,
Page 303-322
C B LIPMAN,
A R DAVIS,
E S WEST,
Preview
|
PDF (999KB)
|
|
ISSN:0038-075X
出版商:OVID
年代:1926
数据来源: OVID
|
4. |
THE ORIGIN AND NATURE OF THE SOIL ORGANIC MATTER OR SOIL “HUMUS”: III. THE NATURE OF THE SUBSTANCES CONTRIBUTING TO THE FORMATION OF HUMUS |
|
Soil Science,
Volume 22,
Issue 4,
1926,
Page 323-333
SELMAN WAKSMAN,
Preview
|
PDF (619KB)
|
|
ISSN:0038-075X
出版商:OVID
年代:1926
数据来源: OVID
|
|