Lauren Tomlin, 2474 TAMU, Texas A&M University Agronomy Society, College Station, TX, Haly L. Neely, Department of Crop and Soil Sciences, Washington State University, Pullman, WA, Clark B. Neely, PO Box 646420, Washington State University, Pullman, WA, US, Jamie L. Foster Malone, Dept. of Soil and Crop Sciences, Texas A&M AgriLife Research, Beeville, TX, US, Katie L. Lewis, Soil Chemistry and Fertility, Texas A&M AgriLife Research, Lubbock, TX, Ronnie W. Schnell, Department Soil and Crop Sciences, Texas Agrilife Research, College Station, TX, US and Paul B. DeLaune, Texas A&M AgriLife Research, Vernon, TX