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Determination of glomalin in agriculture and forest soils by near-infrared spectroscopy

Author

Listed:
  • Jiří ZBÍRAL
  • David ČIŽMÁR

    (Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic)

  • Stanislav MALÝ

    (Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic)

  • Elena OBDRŽÁLKOVÁ

    (Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic)

Abstract

Determining and characterizing soil organic matter (SOM) cheaply and reliably can help to support decisions concerning sustainable land management and climate policy. Glomalin was recommended as one of possible indicators of SOM quality. Extracting glomalin from and determining it in soils using classical chemical methods is too complicated and therefore near-infrared spectroscopy (NIRS) was studied as a method of choice for the determination of glomalin. Representative sets of 84 different soil samples from arable land and grasslands and 75 forest soils were used to develop NIRS calibration models. The parameters of the NIRS calibration model (R = 0.90 for soils from arable land and grasslands and R = 0.94 for forest soils) proved that glomalin can be determined in air-dried soils by NIRS with adequate trueness and precision simultaneously with determination of nitrogen and oxidizable carbon.

Suggested Citation

  • Jiří ZBÍRAL & David ČIŽMÁR & Stanislav MALÝ & Elena OBDRŽÁLKOVÁ, 2017. "Determination of glomalin in agriculture and forest soils by near-infrared spectroscopy," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 63(5), pages 226-230.
    • Handle: RePEc:caa:jnlpse:v:63:y:2017:i:5:id:181-2017-pse
    DOI: 10.17221/181/2017-PSE
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    References listed on IDEAS

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    1. S. Wang & Q.-S. Wu & X.-H. He, 2015. "Exogenous easily extractable glomalin-related soil protein promotes soil aggregation, relevant soil enzyme activities and plant growth in trifoliate orange," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 61(2), pages 66-71.
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    Cited by:

    1. Jiří Balík & Ondřej Sedlář & Martin Kulhánek & Jindřich Černý & Michaela Smatanová & Pavel Suran, 2020. "Effect of organic fertilisers on glomalin content and soil organic matter quality," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(11), pages 590-597.
    2. Chutipong ROMSONTHI & Saowanuch TAWORNPRUEK & Sumitra WATANA, 2018. "In situ near-infrared spectroscopy for soil organic matter prediction in paddy soil, Pasak watershed, Thailand," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(2), pages 70-75.

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