The Global Nitrogen-Phosphorus Imbalance
![](https://steps-center.org/wp-content/uploads/sites/274/2022/05/Tractor_The-global-nitrogen-phosphorus-imbalance-300x143.jpg)
STEPS investigator and SPA Director Jim Elser continues to lead our understanding of the nitrogen-phosphorus imbalance.
STEPS investigator and SPA Director Jim Elser continues to lead our understanding of the nitrogen-phosphorus imbalance.