Wright, Alan L., Edward A. Hanlon, J. Mabry McCray, and David D. Sui. 2009. “Persistence of Plant-Available Phosphorus in Muck Soils After Fertilizer Application: SL 290 SS503, 5 2009”. EDIS 2009 (4). Gainesville, FL. https://doi.org/10.32473/edis-ss503-2009.