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
 
eISSN:2083-5906
ISSN:1230-1485