Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Assessing soil texture classification accuracy based on VNIR lab spectroscopy

T. Rajendra, Cécile Gomez, S. Dharumarajan, D. Nagesh Kumar

Chemometrics and Intelligent Laboratory Systems · 2025

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Summary

This paper evaluates the efficacy of visible and near-infrared laboratory spectroscopy combined with chemometric analysis for rapid, non-destructive soil texture classification. The study addresses the potential of VNIR spectroscopy as an efficient alternative to conventional particle-size analysis methods. As a laboratory-based methodology paper published in a chemometrics journal, the work contributes to standardisation of spectroscopic soil characterisation techniques.

UK applicability

VNIR spectroscopy methods developed for soil characterisation are internationally applicable and could support UK soil monitoring schemes and precision agriculture initiatives, though spectral signatures may vary with UK soil parent materials and require local calibration datasets.

Key measures

Classification accuracy metrics (likely precision, recall, F1-score or similar) for soil texture classes predicted from VNIR spectral reflectance; possibly comparison of different chemometric algorithms

Outcomes reported

The study assessed the accuracy of visible and near-infrared (VNIR) laboratory spectroscopy for classifying soil texture. As suggested by the title and journal scope, the work likely evaluated chemometric models' ability to predict soil particle-size fractions from spectral data.

Theme
Measurement & metrics
Subject
Measurement methods & nutrient profiling
Study type
Research
Study design
Laboratory method development and validation
Source type
Peer-reviewed study
Status
Published
Geography
India
System type
Laboratory / in vitro
DOI
10.1016/j.chemolab.2025.105419
Catalogue ID
SNmov5kcc6-11n7g3

Topic tags

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