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- Mention of a trade name is for the convenience of the reader and does not imply endorsement by Auburn University or the U.S. Department of Agriculture.
- Cooperative research of USDA‐ARS, Soil‐PIant Interaction research unit and Department of Agronomy and Soil, Auburn University.
- Soil Scientist, U.S. Department of Agriculture Agricultural Research Service, Soil‐Plant Interaction Research Unit, and Assistant Professor, Department of Agronomy and Soils, Auburn University, AL 36849.