SL316/SS528 A Guide to EPA’s Proposed Numeric Nutrient Water Quality Criteria for Florida

SL316, a 9-page illustrated guide by Thomas Obreza, Mark Clark, Brian Boman, Tatiana Borisova, Matt Cohen, Michael Dukes, Tom Frazer, Ed Hanlon, Karl Havens, Chris Martinez, Kati Migliaccio, Sanjay Shukla, and Alan Wright, provides a basic, concise, and understandable description of the United States Environmental Protection Agency’s (EPA) proposed numeric nutrient criteria for Florida, the background events that led to its release, some pertinent scientific issues, and implications for the future. Published by the UF Department of Soil and Water Science, February 2010.
http://edis.ifas.ufl.edu/ss528

SL300/SS513 Drinking Water Treatment Residuals to Control Phosphorus in Soils

SL-300, a 7-page illustrated fact sheet by Sampson Agyin-Birikorang, George A. O’Connor, and Thomas A. Obreza, describes the phosphorous problem in Florida, and the use of this byporoduct of municipal drinking water purification as a soil amendment to reduce nonpoint source polution by phosphorous. Includes references. Published by the UF Department of Soil and Water Sciences, July 2009.
http://edis.ifas.ufl.edu/SS513

SL299/SS512 Are Alum-Based Drinking Water Treatment Residuals Safe for Land Application?

SL-299, an 8-page illustrated fact sheet by Sampson Agyin-Birikorang, George A. O’Connor, and Thomas A. Obreza, explores possible effects of land-applying Al-WTR on the environment, and recommends ways to minimize human impacts. Includes references. Published by the UF Department of Soil and Water Science, July 2009.
http://edis.ifas.ufl.edu/SS512

SL285/SS499 A Web-Based Irrigation Scheduling Model to Improve Water Use Efficiency and Reduce Nutrient Leaching for Florida Citrus

SL285, a 4-page illustrated fact sheet by Kelly T. Morgan, Edward A. Hanlon, and Thomas A. Obreza, describes an easy to use web-based water-balance irrigation scheduling tool that assists growers in determining irrigation schedules that can improve water use efficiency and reduce nutrient leaching. Published by the UF Department of Soil and Water Science, May 2009.
http://edis.ifas.ufl.edu/SS499

SL238/SS457 Nitrogen Fertilizer Sources: What does the future hold for citrus producers?

Revised! SL-238, a 4-page fact sheet by Thomas Obreza, Larry Parsons, and Kelly Morgan, discusses the factors influencing the price of nitrogen fertilizer sources and economic considerations for future nitrogen fertilizer availability. Published by the UF Department of Soil and Water Sciences, February 2009.
http://edis.ifas.ufl.edu/SS457

SL278/SS491 Crop Water Use and Irrigation Scheduling Guide for North Florida

SL-278, an 18-page illustrated guide by Thomas Obreza, presents average daily water use for 13 North Florida crops that can be used to help schedule irrigation. Published by the UF Department of Soil and Water Science, December 2008.
http://edis.ifas.ufl.edu/SS491

ENH1115/WQ143 Frequently Asked Questions about Landscape Fertilization for Florida Friendly Landscaping Ordinances

ENH-1115, a 10-page fact sheet by Sartain, J.B., L.E. Trenholm, E.F. Gilman, T.A. Obreza, and G. Toor, was created to help guide local government officials in developing local regulations based on science. It uses a question-and-answer format to address common concerns related to fertilizers, best management practices (BMPs), landscapes and their maintenance. Includes references. Published by the UF Department of Environmental Horticulture, December 2008.
http://edis.ifas.ufl.edu/WQ143

SL279/SS492 Diagnostic Nutrient Testing for Commercial Citrus in Florida

SL-279, a 6-page fact sheet by Rao Mylavarapu, Kelley Hines and Thomas Obreza, presents the details of several types of diagnostic tests for nutrient status and management in commercial citrus groves in Florida, as well as sample submission procedures. Includes references and a copy of the sample submission form (in the pdf version). Published by the UF Soil and Water Science Department, December 2008.
http://edis.ifas.ufl.edu/SS492