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Humic acid -- 3 Derivatives 2 Environmental aspects 2 Humic acid content 2 Soils -- 2 Analysis 1 Biodegradation 1 more ...
Humic acid -- 3 Derivatives 2 Environmental aspects 2 Humic acid content 2 Soils -- 2 Analysis 1 Biodegradation 1 more ...
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Published 1989
Subjects: ';
“...Humic acid -- Congresses...”
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Published 2005
Subjects: ';
“...Soils -- Humic acid content...”
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Published 2010
Subjects: ';
“...Humic acid -- Derivatives...”