Are Phosphorous and Phosphoric Acids Equal Phosphorous Sources for Plant Growth?

This document is HS1010, one of a series of the Horticultural Sciences Department, UF/IFAS Extension. Original publication date April 2005. Revised March 2012, January 2015, May 2018, September 2021, and February 2024. Visit the EDIS website at https://edis.ifas.ufl.edu for the currently supported version of this publication.

Asha M. Brunings, associate professor at Santa Fe College and former postdoctoral research associate; Guodong Liu, associate professor; and Eric H. Simonne, professor and Director for Northeast District Cooperative Extension Service, Horticultural Sciences Department; Shouan Zhang, professor, Plant Pathology Department; Yuncong Li, professor, Department of Soil, Water, and Ecosystem Sciences, UF/IFAS Tropical Research and Education Center; and Lawrence E. Datnoff, former professor, Plant Pathology Department; UF/IFAS Extension, Gainesville, FL 32611.