Schwab, G.J., E. Pena, T.S. Stombaugh, O. Wendroth, and L.W. Murdock.
2005. Wheat yield population response to variable rate N fertilization strategies using active NDVI sensors.
pp. 235-242. IN: Stafford, J.V., ed. Precision Agriculture ‘05. Proceedings, 5th European Conference on Precision Agriculture, Uppsala, Sweden.
Authors: Greg Schwab, Lloyd Murdock