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Prediction of soil nitrogen content using E-nose and radial basis function

  • Jigme Norbu
  • , Theerapat Pobkrut
  • , Treenet Thepudom
  • , Thinley Namgyel
  • , Teerayut Chaiyasit
  • , Yu Thazin
  • , Teerakiat Kerdcharoen
  • Mahidol University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Citations (Scopus)

Abstract

Existing soil nutrient determining methods are still a concern as most of them entail arduous field sampling followed by rigorous testing procedures, both of which are time consuming and expensive. Conversely, farmers require cheap and instant information about the soil nutrient management for quick decision making or they will have to risk their crop. Electronic nose (E-nose) is an emerging technology that has potential application in monitoring of soil nutrient abundance. In this work, e-nose coupled with Radial Basis Function (RBF) is employed to determine the amount of nitrogen (N) which is one of the main nutrients in the soil. The results demonstrate that not only does the e-nose clearly discriminate the odors of soil with different N concentration, but also can evidently predict the total N content with accuracy of 96.2% using RBF. Hence, e-nose and RBF network could be a promising alternative to conventional soil testing methods.

Original languageEnglish
Title of host publicationECTI-CON 2018 - 15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages309-312
Number of pages4
ISBN (Electronic)9781538635551
DOIs
Publication statusPublished - 2 Jul 2018
Event15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, ECTI-CON 2018 - Chiang Rai, Thailand
Duration: 18 Jul 2018 → 21 Jul 2018

Publication series

NameECTI-CON 2018 - 15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology

Conference

Conference15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, ECTI-CON 2018
Country/TerritoryThailand
CityChiang Rai
Period18/07/18 → 21/07/18

Keywords

  • Electronic nose
  • Nitrogen
  • Radial basis function
  • Volatile organic compounds

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