# Estimating Biomass and Nitrogen Amount of Barley and Grass Using UAV and Aircraft Based Spectral and Photogrammetric 3D Features

> Research article (Remote Sensing, 2018) · cited 162× · AI/ML

**Wikidata**: [openalex:W2837916766](https://www.wikidata.org/wiki/openalex:W2837916766)  
**Source**: https://4ort.xyz/entity/estimating-biomass-and-nitrogen-amount-of-barley-and-grass-using-uav-and-aircraft-based-spectral-and-photogrammetric-3d-