# Nitrogen and chlorophyll status in romaine lettuce using spectral indices from RGB digital images

> Research article (Zemdirbyste-Agriculture, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3131192012](https://www.wikidata.org/wiki/openalex:W3131192012)  
**Source**: https://4ort.xyz/entity/nitrogen-and-chlorophyll-status-in-romaine-lettuce-using-spectral-indices-from-rgb-digital-images