The effect of fertilization with brown coal on Haplic Luvisol humic acids

The influence of fertilization with brown coal (used as preparation called Rekulter) on properties of humic acids extracted from haplic luvisol was studied. Characteristics of humic acids were identified by their elemental composition, thermal decomposition, and infrared and UV-VIS spectra. It was f...

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Bibliographic Details
Published inRostlinná výroba Vol. 48; no. 1
Main Authors Debska, B. (University of Technology and Agriculture, Bydgoszcz (Poland)), Maciejewska, A, Kwiatkowska, J
Format Journal Article
LanguageEnglish
Published 01.01.2002
Subjects
ACIDE HUMIQUE
ACIDO HUMICO
AMENDEMENT ORGANIQUE
AZOTE
CARBON
CARBONE
CARBONO
CHARBON
CHAULAGE
COAL
ENCALADO
ENMIENDAS ORGANICAS
HUMIC ACIDS
HUMUS
LIMING
LUVISOL
LUVISOLES
LUVISOLS
NITROGEN
NITROGENO
ORGANIC AMENDMENTS
POLAND
POLOGNE
POLONIA
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Summary:The influence of fertilization with brown coal (used as preparation called Rekulter) on properties of humic acids extracted from haplic luvisol was studied. Characteristics of humic acids were identified by their elemental composition, thermal decomposition, and infrared and UV-VIS spectra. It was found that humic acids formed during decomposition process of Rekulter in soil were characterised by a higher content of carbon (38.6 % versus 35.4 %), a lower content of nitrogen (1.50 % versus 2.73 %) and a higher resistance to thermal decomposition, when compared with humic acids extracted from soils without Rekulter application. Due to special properties of Rekulter, additional liming did not affect the properties of humic acids.
Bibliography:P34
P35
2002000418
F04
ISSN:0370-663X