This document is SL 197, one of a series of the Soil and Water Science Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Published September 2002. This publication is also a part of the Florida Sugarcane Handbook, an electronic publication of the Agronomy Department. SL 197/SS410: Particulate Phosphorus in the Everglades Agricultural Area: I—Introduction and Sources (ufl.edu)