# Estimation of key potentially toxic elements in arid agricultural soils using Vis-NIR spectroscopy with variable selection and PLSR algorithms

> Research article (Frontiers in Environmental Science, 2023) · cited 22× · AI/ML

**Wikidata**: [openalex:W4384558592](https://www.wikidata.org/wiki/openalex:W4384558592)  
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