Neal S. Eash is a Professor of Biosystems Engineering & Soil Science at the University of Tennessee in Knoxville, TN, USA.

Thomas J. Sauer is a Research Soil Scientist in the Soil, Water, and Air Research Unit at the USDA Agricultural Research Service in Ames, IA, USA.

Deb O???Dell is a Doctoral Candidate in the Biosystems Engineering & Soil Science Department at the University of Tennessee in Knoxville, TN, USA.

Evah Odoi is an Adjunct Assistant Professor in the Biosystems Engineering & Soil Science at the University of Tennessee in Knoxville, TN, USA.

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