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Comparison of soil organic matter composition under different land uses by DRIFT spectroscopy

Author

Listed:
  • Saven Thai
  • Lenka Pavlů

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food, and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Václav Tejnecký

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food, and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Petra Vokurková

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food, and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Shahin Nozari

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food, and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Luboš Borůvka

    (Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food, and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

The study aimed to estimate and characterise soil organic matter under different land uses (cropland, grassland, and forest) and soil depths. The soil organic matter composition of the soil was assessed by diffuse reflectance infrared spectroscopy (DRIFT). Humic and fulvic acids (HAs, FAs) were extracted from soils and their compositions were evaluated by DRIFT. Low molecular mass organic acids content was also measured. Our result revealed that the largest differences of the spectra in the composition of organic matter were observed in the upper parts of the soil profile. The forest soil spectra had more intense aliphatic bands, carboxylic, and CH bands than spectra of grassland and cropland soils. The difference of HAs spectra was at 3 010 to 2 800/cm where the most intensive aliphatic bands were in forest soil HAs, followed by grassland and cropland soil HAs. The grassland topsoil FAs spectrum differs most from the other land uses. It has lower peaks around 1 660-1 600/cm and 1 200/cm than cropland and forest. The concentration of low molecular mass organic acid (LMMOA) was the highest in the forest soil and the most abundant acid was citrate.

Suggested Citation

  • Saven Thai & Lenka Pavlů & Václav Tejnecký & Petra Vokurková & Shahin Nozari & Luboš Borůvka, 2021. "Comparison of soil organic matter composition under different land uses by DRIFT spectroscopy," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 67(5), pages 255-263.
    • Handle: RePEc:caa:jnlpse:v:67:y:2021:i:5:id:11-2021-pse
    DOI: 10.17221/11/2021-PSE
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    Citations

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    Cited by:

    1. Lenka Pavlů & Jiří Balík & Simona Procházková & Petra Vokurková & Ivana Galušková & Ondřej Sedlář, 2023. "Soil organic matter quality of variously managed agricultural soil in the Czech Republic evaluated using DRIFT spectroscopy," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 18(4), pages 281-291.
    2. Lenka Pavlů & Jiří Balík & Simona Procházková & Petra Vokurková & Ivana Galušková & Ondřej Sedlář, . "Soil organic matter quality of variously managed agricultural soil in the Czech Republic evaluated using DRIFT spectroscopy," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 0.

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