Luciane F. Oliveira1, P. Scharf1, Earl D. Vories2, Gene Stevens3, D.J. Dunn3, and Andrea Phillips4. (1) University of Missouri-Columbia, Plant Sciences Division, 108 Waters Hall, Columbia, MO 65211, (2) USDA-ARS, Delta Center, Box 160, Portageville, MO 63873, (3) University of Missouri-Delta Center, P.O. Box 160, Portageville, MO 63783, (4) University of Missouri, Box 160, Portageville,, MO 63873
In a two year study conducted on three different soil types traditional methods of monitoring mid-season nitrogen needs of cotton were compared to spectral reflectance sensor based methods.