Castle, Bill, et al. “Some Practical Matters Related to Riviera Soil, Depth to Clay, Water Table, Soil Organic Matter, and Swingle Citrumelo Root Systems: HS894 HS146, 12 2002”. EDIS, vol. 2003, no. 1, Jan. 2003, doi:10.32473/edis-hs146-2002.