# A novel spectral analysis method for distinguishing heavy metal stress of maize due to copper and lead: RDA and EMD-PSD

> Research article (Ecotoxicology and Environmental Safety, 2020) · cited 31× · AI/ML

**Wikidata**: [openalex:W3083811586](https://www.wikidata.org/wiki/openalex:W3083811586)  
**Source**: https://4ort.xyz/entity/a-novel-spectral-analysis-method-for-distinguishing-heavy-metal-stress-of-maize-due-to-copper-and-lead-rda-and-emd-psd