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A Web-based GIS Decision Support Tool for Determining Corn Aflatoxin Risk: A Case Study Data from Southern Georgia, USA

Published online by Cambridge University Press:  01 June 2017

F. Navarro ,
B. Ingram ,
R. Kerry ,
B. V. Ortiz  and
B. T. Scully
F. Navarro
Affiliation:
Facultad de Ingeniería, Universidad de Talca, Curicó, Chile
B. Ingram*
Affiliation:
Facultad de Ingeniería, Universidad de Talca, Curicó, Chile
R. Kerry
Affiliation:
Department of Geography, Brigham Young University, UT, USA
B. V. Ortiz
Affiliation:
Agronomy and Soils Department, Auburn University, AL, USA
B. T. Scully
Affiliation:
USDA-ARS, Tifton, GA, USA
*
†E-mail: [email protected]
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Abstract

Aflatoxin is a fungal toxin contaminating corn and causing liver cancer in humans and animals. Contamination is driven by high temperatures and drought. Aflatoxin assessment is expensive so extension services need to identify high risk areas so irrigation, planting strategies and corn varieties can be adapted. This research presents a web-based decision support tool for risk illustrated with a case study from southern Georgia. The tool employs the approach, developed by Kerry et al. (2017b) where exceedance of key thresholds in temperatures, rainfall, soil type and corn production are used to determine risk. The tool also includes NDVI to indicate drought stress and could be further expanded to include new risk factors and adapted to other crops.

Keywords

Aflatoxincorncontamination riskdecision support toolgeostatistics
Type
PA in practice
Information
Advances in Animal Biosciences , Volume 8 , Special Issue 2: Papers presented at the 11th European Conference on Precision Agriculture (ECPA 2017), John McIntyre Centre, Edinburgh, UK, July 16–20 2017 , July 2017 , pp. 718 - 723
Copyright
© The Animal Consortium 2017 

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