4 ms·
Phosphorus is the limiting nutrient, not nitrogen. But yes, it's nearly all from ag and wastewater.
by mattgrice 11y ago
Phosphorus is the limiting nutrient, not nitrogen. But yes, it's nearly all from ag and wastewater.
- semi-extrinsic 11y agoIn the ocean, iron plays the role of phosphorus. And it looks like the evidence for run off causing algal blooms in the Great Lakes is pretty convincing.