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| 1. |
A PRELIMINARY SOIL CENSUS OF ALABAMA AND WEST FLORIDA |
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Soil Science,
Volume 4,
Issue 2,
1917,
Page 91-108
ROLAND HARPER,
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PDF (837KB)
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ISSN:0038-075X
出版商:OVID
年代:1917
数据来源: OVID
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| 2. |
A SOIL SAMPLER FOR BACTERIOLOGICAL AND CHEMICAL PURPOSES |
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Soil Science,
Volume 4,
Issue 2,
1917,
Page 109-114
J. NELLER,
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PDF (130KB)
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ISSN:0038-075X
出版商:OVID
年代:1917
数据来源: OVID
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| 3. |
EXPERIMENTS IN METHODS FOR DETERMINING THE REACTION OF SOILS |
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Soil Science,
Volume 4,
Issue 2,
1917,
Page 115-115
HARALD CHRISTENSEN,
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PDF (2683KB)
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ISSN:0038-075X
出版商:OVID
年代:1917
数据来源: OVID
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