Characteristics of soil humic acid fractions separated by ultrafiltration
1997 ◽
Vol 28
(9-10)
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pp. 787-796
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2010 ◽
Vol 59
(1)
◽
pp. 99-108
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Keyword(s):
2017 ◽
Vol 8
(6)
◽
pp. 307-315
Keyword(s):
Keyword(s):
1962 ◽
Vol 27
(1)
◽
pp. 170-174
◽
2010 ◽
Vol 29
(2)
◽
pp. 215
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2002 ◽
Vol 36
(17)
◽
pp. 3787-3796
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2003 ◽
Vol 11
(2)
◽
pp. 176-184
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