# Variable rate fertilization system with adjustable active feed-roll length

> Research article (International journal of agricultural and biological engineering, 2015) · cited 35× · AI/ML

**Wikidata**: [openalex:W2343034400](https://www.wikidata.org/wiki/openalex:W2343034400)  
**Source**: https://4ort.xyz/entity/variable-rate-fertilization-system-with-adjustable-active-feed-roll-length