Phosphorus Index Test Form

Rao S. Mylavarapu, William d'Angelo, and Nancy Wilkinson


This document is the Phosphorus Index Test Form used by the UF/IFAS Extension Analytical Services Laboratories. The sheet provides details about collecting samples and testing fees. Download the form by clicking the orange download button.

The Phosphorus Index Test Form must accompany soil samples submitted to the UF/IFAS Extension Soil Testing Laboratory. This form allows for the following tests:

  1. Phosphorus Capacity Index Test (Mehlich-3 extraction method) [pH, P, Al, Fe (capacity index of soil)]