1. FDACS. 2006. “Water Quality/Quantity Best Management Practice for Vegetable and Agronomic Crops Manual. Florida Department of Agriculture and Consumer Services”. Available at:http://www.floridaagwaterpolicy.com(accessed July 2, 2007)
2. Hochmuth, G. J. 2003. “Plant petiole sap-testing for vegetable crops. Electronic Database Information System, Cir1144”. Available at:http://edis.ifas.ufl.edu/CV004
3. Molinar, R. H. and Yang, M. 2003. “Fresno county grape tomato variety trial”. Available at:http://www.sfc.ucdavis.edu/research/FRESNO_COUNTY_GRAPE_TOMATO_VARIETY_TRIAL_REPORT.pdf(accessed July 2, 2007)
4. Olson, S. M., Stall, W. M., Momol, M. T., Webb, S. E., Taylor, T. G., Smith, S. A., Simonne, E. H. and McAvoy, E. 2006. “Tomato production in Florida, Pub. HS739, Electronic Database Information System, Cir 1144”. Available at:http://edis.ifas.ufl.edu/CV137