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Development of soil organic matter measurement system

Author

Listed:
  • Áron Béni

    (Institute of Agricultural Chemistry and Soil Science, Faculty of Agriculture and Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary)

  • Evelin Juhász

    (Institute of Agricultural Chemistry and Soil Science, Faculty of Agriculture and Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary)

  • Péter Ragán

    (Faculty of Agriculture and Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary)

  • Tamás Rátonyi

    (Faculty of Agriculture and Food Science and Environmental Management, University of Debrecen, Debrecen, Hungary)

  • Gábor Várbíró

    (Department of Tisza River Research, Danube Research, Institute, Centre for Ecology of HAS, Debrecen, Hungary)

  • István Fekete

    (Institute of Environmental Sciences, University of Nyíregyháza, Nyíregyháza, Hungary)

Abstract

We managed to create a self-developed sensor system, which is based on the simultaneous reflectance measurements at a 660 and 940 nm wavelength. The ratio of the reflectance refers to the concentration of the soil organic carbon (SOC). This instrument has a calibration range of 1.19 to 6.05 SOC%. The SOC content of twenty-six soil samples was measured by the self-developed system and a standard spectrophotometric method and we found that the SOC estimation in the self-developed system had a good approximation and the differences ranged from -27.72% ~ + 6.99%. We found a strong correlation between the data of the reference measurements (R2 = 0.73) and the values indicated by our self-developed sensor system (Reference (SOX%) =1.4857 × E (SOC%) - 0.7393). This measurement system is easy to use and displays and records the data in real time. This allows one to map an agricultural production area based on the SOC concentration using its built-in GPS unit.

Suggested Citation

  • Áron Béni & Evelin Juhász & Péter Ragán & Tamás Rátonyi & Gábor Várbíró & István Fekete, 2021. "Development of soil organic matter measurement system," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 16(3), pages 174-179.
    • Handle: RePEc:caa:jnlswr:v:16:y:2021:i:3:id:18-2021-swr
    DOI: 10.17221/18/2021-SWR
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