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In Memory of Professor Jerzy Radecki
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eISSN: 2083-5906
ISSN: 1230-1485
ISSN: 1230-1485
Keyword humification process
ORIGINAL RESEARCH
Influence of the Treatment Process on Nitrogen Content in Humic Acids Extracted from Sewage Sludge
J. Polak, W. W. Sulkowski
Pol. J. Environ. Stud. 2006;15(4):573-577
| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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