Keyword Wielkopolski National Park
ORIGINAL RESEARCH
Chemical Composition of Soil Solutions from Forest Lands under Anthropogenic Pressure: Comparing Two Extract Recovery Methods
W. Spychalski1, B. Walna2, I. Kurzyca3
Pol. J. Environ. Stud. 2008;17(3):389–395
LETTERS TO EDITORS
Research on Aluminium Speciation in Poor Forest Soils Using the Sequential Extraction Method
B. Walna 1*, J. Siepak 2, S. Drzymała 3, T. Sobczyński 2
Pol. J. Environ. Stud. 2005;14(2):243–250
ORIGINAL RESEARCH
Speciation of Aluminium Released Under the Effect of Acid Rain
J. Siepak1, B. Walna2, S. Drzymala3
Pol. J. Environ. Stud. 1999;8(1):55–58
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