Leticia S. Sonon

NAME Leticia S. Sonon
TITLE Public Service Assistant
Soil, Plant, and Water Laboratory
DEPARTMENT Agricultural and Environmental Services Laboratories
PHONE 706-542-5350
FAX 706-369-5734
ADDRESS Agricultural and Environmental Services Laboratories
University of Georgia
Athens, Georgia 30602
EMAIL lsonon@uga.edu
EDUCATION Ph.D., Soil Chemistry, Kansas State University
M.S., Soil Fertility/Chemistry, Cornell University
B.S., Soil Science, Visayas State University
RESEARCH INTERESTS Char characterization, Phosphorus and ammonia sorption on chars

Leticia Sonon


Dr. Leticia S. Sonon is the Program Coordinator of the Soil, Plant, and Water Laboratory of the Agricultural and Environmental Services Laboratories (AESL) of the University of Georgia. This laboratory provides sample analytical services to agricultural producers, homeowners, agribusinesses, and researchers. The laboratory services combined with unbiased interpretations and recommendations are aimed at improving agricultural productivity while maintaining a healthy environment.

In response to the increasing need of the research community for analytical services, the laboratory offered support by developing new techniques and modifying some existing analytical procedures to carry out extensive wet chemistry analysis of non-traditional samples such as the biochars and other biosolids. Dr. Sonon carries out applied research in the development of new laboratory testing procedures and methodologies, and collaborate with other faculty in the University on research and outreach projects that utilize the services offered by AESL Dr. Sonon's current research endeavors include ammonia sorption on chars and characterizing phosphorus sorption on chars obtained from different pyrolyzed feedstocks.


Gaskin, J, KC Das, A. Tasistro, L. Sonon, and B. Hawkins. 2007. Book Chapter: Characterization of biochar for agricultural use in the soils of the Southeastern US. (In review).

Liu, Min, D.E. Kissel, M.L. Cabrera, L.S. Sonon, and P.F. Vendrell. 2007. Effects of biological nitrogen reactions on soil lime requirement determined by incubation. Soil Science Society of America Journal. 72:720-726.

Mathangwane, B. M. Chappel, L. S. Sonon, and V. Evangelou. 2007. Dispersion potential of selected Iowa lake-sediments to adsorbed cations, temperature, and dilution. Clean Air, Soil, Water Journal. (In press).

Kissel, D.E., R.A. Isaac, R. Hitchcock, L.S. Sonon, and P.F. Vendrell. 2007. Implementation of soil lime requirement by a single-addition titration method. Communications in Soil Science and Plant Analysis 38: 1341-1352.

Sebial, M. and L. Sonon. 2006. Nitrate concentrations in animal manure dumping sites. Annals of Trop. Res., 28 (#1).

Sonon, L. and M.L. Thompson. 2005. Sorption of nonionic polyoxyethylene lauryl ether surfactant by 2:1 layer silicates. Clays and Clay Min. 53 (1), 47-56.

Sonon, L., P.F. Vendrell, and R. Hitchcock. 2005. Water Quality in Georgia's Private Drinking Water Wells. Proceedings of the 2005 Georgia Water Resources Conference. Athens, GA.

Sonon, L.S. and A.P. Schwab. 2004. Transport and persistence of nitrate, atrazine, and alachlor in large intact columns under two levels of moisture content. Soil Sci. 169 (8): 541-553.

Sonon, L. and A.P. Schwab. 1995. Adsorption of atrazine and alachlor in Kansas soils with different physical and chemical properties. J. Weed Sci. Vol. 42.

Schwab, A.P., P. Splichal, and L. Sarong-Sonon. 1992. Factors affecting the soil extraction and preconcentration by C18 solid-phase enrichment of alachlor, atrazine, and atrazine dealkylation products. ASTM Pub. #1162. Philadelphia.