# Retrieval of Nitrogen Content in Apple Canopy Based on Unmanned Aerial Vehicle Hyperspectral Images Using a Modified Correlation Coefficient Method

> Research article (Sustainability, 2022) · cited 23× · AI/ML

**Wikidata**: [openalex:W4210997056](https://www.wikidata.org/wiki/openalex:W4210997056)  
**Source**: https://4ort.xyz/entity/retrieval-of-nitrogen-content-in-apple-canopy-based-on-unmanned-aerial-vehicle-hyperspectral-images-using-a-modified-cor