# Parent material distribution mapping from tropical soils data via machine learning and portable X-ray fluorescence (pXRF) spectrometry in Brazil

> Research article (Geoderma, 2019) · cited 52× · AI/ML

**Wikidata**: [openalex:W2966287170](https://www.wikidata.org/wiki/openalex:W2966287170)  
**Source**: https://4ort.xyz/entity/parent-material-distribution-mapping-from-tropical-soils-data-via-machine-learning-and-portable-x-ray-fluorescence-pxrf-