Chemigation for Crop Production Management. A. W. Johnson, Coastal Plain Experiment Station, Tifton, GA. J. R. Young, E. D. Threadgill, C. C. Dowler, and D. R. Sumner, Coastal Plain Experiment Station, Tifton, GA. Plant Dis. 70:998. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1986. DOI: 10.1094/PD-70-998.