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  • Humic acids represent very important part of soil organic matter. Object of our study was Luvi-haplic Chernozem (locality Praha-Ruzyně). Three different amounts were added in soil in 2008: 124, 239 and 478 t.ha-1. Soil humic substances were extracted one year after compost application into the soil and analysed by means of fluorescence spectrometry, infrared spectrometry, ultraviolet-visible spectrometry a titration methods. EEM spectra obtained using fluorescence spectrometry showed that compost contains well humified fractions of humic substances. Relativ intensity of fluorescence of all three main peaks is lower in comparison with soil humic substances due to content of young less condensed aromatic structures. Infrared spectra confirmed that increasing added amount of compost caused the increase of content of carboxylic groups and ether bridges in soil humic substances. Humification index E4/6, determined on the basis of measured UV/VIS spectra, decreased with desresing amount of added compost. I
  • Humic acids represent very important part of soil organic matter. Object of our study was Luvi-haplic Chernozem (locality Praha-Ruzyně). Three different amounts were added in soil in 2008: 124, 239 and 478 t.ha-1. Soil humic substances were extracted one year after compost application into the soil and analysed by means of fluorescence spectrometry, infrared spectrometry, ultraviolet-visible spectrometry a titration methods. EEM spectra obtained using fluorescence spectrometry showed that compost contains well humified fractions of humic substances. Relativ intensity of fluorescence of all three main peaks is lower in comparison with soil humic substances due to content of young less condensed aromatic structures. Infrared spectra confirmed that increasing added amount of compost caused the increase of content of carboxylic groups and ether bridges in soil humic substances. Humification index E4/6, determined on the basis of measured UV/VIS spectra, decreased with desresing amount of added compost. I (en)
Title
  • Effect of Compost Application on Properties of Soil Humic Acids.
  • Effect of Compost Application on Properties of Soil Humic Acids. (en)
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  • Effect of Compost Application on Properties of Soil Humic Acids.
  • Effect of Compost Application on Properties of Soil Humic Acids. (en)
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  • RIV/00216305:26310/11:PU94239!RIV15-MSM-26310___
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  • RIV/00216305:26310/11:PU94239
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  • humic acids, stability, aromaticity (en)
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  • Klučáková, Martina
  • Enev, Vojtěch
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  • 26310
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