# Estimation of Heavy Metals in Agricultural Soils Using Vis-NIR Spectroscopy with Fractional-Order Derivative and Generalized Regression Neural Network

> Research article (Remote Sensing, 2021) · cited 54× · AI/ML

**Wikidata**: [openalex:W3182818347](https://www.wikidata.org/wiki/openalex:W3182818347)  
**Source**: https://4ort.xyz/entity/estimation-of-heavy-metals-in-agricultural-soils-using-vis-nir-spectroscopy-with-fractional-order-derivative-and-general