# Two preprocessing techniques to reduce model covariables in soil property predictions by Vis-NIR spectroscopy

> Research article (Soil and Tillage Research, 2017) · cited 84× · AI/ML

**Wikidata**: [openalex:W2619807833](https://www.wikidata.org/wiki/openalex:W2619807833)  
**Source**: https://4ort.xyz/entity/two-preprocessing-techniques-to-reduce-model-covariables-in-soil-property-predictions-by-vis-nir-spectroscopy