# A dynamic normalized difference index for estimating soil organic matter concentration using visible and near-infrared spectroscopy

> Research article (Ecological Indicators, 2023) · cited 17× · AI/ML

**Wikidata**: [openalex:W4321180414](https://www.wikidata.org/wiki/openalex:W4321180414)  
**Source**: https://4ort.xyz/entity/a-dynamic-normalized-difference-index-for-estimating-soil-organic-matter-concentration-using-visible-and-near-infrared-s