US:an analysis of the sources, effects, treatment, and prevention of phosphorus loading in the Minnesota, St. Croix, and Mississippi Rivers
Amanda Caneff, Brennan Panzarella, Jillian Benson, & Taylor Boman
Phosphorus is the atomic element P, but is not found in its pure form in nature.
It is a crucial nutrient for plant growth, but its below-detection level in natural waters makes it the nutrient that limits primary production.
In its organic form, phosphorus is called phosphate.
in its organic form, phosphorus can be dissolved or particulate.