
This person is no longer active in Plant and Soil Sciences. This is an archive record.
Faculty
University of Kentucky, PSS
Ag. Science Bldg. North
1100 Nicholasville Road (Office:N-122)
Lexington, KY 40546-0091
(859) 257-9780
(859) 257-3655
gjschw2@uky.edu
Speciality
Education
Certified Professional Agronomist, Ammerican Society of Agronomy, 2002-pres
Ph.D. Agronomy, Kansas State University, 2000
M.S. Agronomy, Auburn University, 1996
B.S. Agriculture, Berea College, 1993
RESEARCH (DOE 20%)
The focus of my research program is to address soil and nutrient management production problems facing Kentucky farmers
EXTENSION ACTIVITIES (DOE 80%)
The focus of my extension activities has been to disseminate scientific crop production information to clientele, using Extension publications, news letters, radio talks, regional presentations, county winter meetings, field days and demonstration plots.
Assistant Professor, Soil Management, University of Kentucky, 2002-pres.
Assistant Professor, Extension Soil Fertility and Management, Washington State University, 2000-2002
Research Assistant/Soil Testing Laboratory Manager, Kansas State University, 1995-2000
Research/Teaching Assistant, Auburn University, 1993-1995
This person page last updated on 2011-05-05
Refereed Journal Articles
Pena-Yewtukhiw, E.M., G.J. Schwab, J.H. Grove, L.W. Murdock, and J.T. Johnson. 2008. Spatial analysis of early wheat canopy NDVI: Determining appropriate observation scale. Agronomy Journal 100:454-462.
Pena-Yewtukhiw, E.M., G.J. Schwab and L.W. Murdock 2006. Univariate Distribution Analysis to Evaluate Variable Rate Fertilization Agron J. 98:554-561
Pena-Yewtukhiw, E.M., G.J. Schwab, O. Wendroth, L.W. Murdock, and T. Stombaugh. 2005. Change in spatial variability structure of NDVI readings related to observation scale.
pp. 353-359. IN: J.V. Stafford, ed. Precision Agriculture ‘05. Proceedings, 5th European Conference on Precision Agriculture, Uppsala.
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.
Wendroth, O., A. Giebel, E. Pena-Yewtukhiw, K.C. Kersebaum, G.J. Schwab, H.I. Reuter, L.W. Murdock, and T.S. Stombaugh.
2005. Spatial relation between NDVI and grain yield: Impact of spatial resolution and measurement device.
pp. 731-739. IN: Stafford, J.V., ed. Precision Agriculture ‘05. Proceedings, 5th European Conference on Precision Agricu.
Schwab, G.J., and L.W. Murdock.
2004. Kentucky Winter Canola Variety Performance Results.
In C.Rife (ed.) 2003 National Winter Canola Variety Trial. p12-15. Kansas State Agricultural Experiment Station Bulletin SRP 924.
Vincelli, P. and G.J. Schwab.
2003. Possible Causes of Yellowing Alfalfa.
Kentucky Pest News, Number 993. July 7, 2003. Publication URLOther Research Publications
Pena-Yewtukhiw, E.M., G.J. Schwab, J.H. Grove, L.W. Murdock, and J.T. Johnson. 2008. Individual sensor performance and interpretational algorithms in a sensor array. Proceedings, 1st Global Workshop on High Resolution Digital Soil Sensing and Mapping, Sydney, Australia, Feb. 5-8.
Pena-Yewtukhiw, E.M., G.J. Schwab, J.H. Grove, L.W. Murdock, and J.T. Johnson. 2008. Individual sensor performance and interpretational algorithms in a sensor array. Proceedings, 9th International Conference on Precision Agriculture, Denver, Colo., July 20-23.
Wendroth, O., G. Schwab, D.B. Egli, and L. Murdock. 2008. O., G. Schwab, D.B. Egli, and L.
Murdock. In-season observation of wheat
growth status in a farmer’s field: Continuous change of nitrogen application rate across the landscape as an alternative to small plot research. Wheat Science Annual Research
Report. Published online: http://www.ca.uky. edu/ukrec/RR%202007-08/Contents%202007-08.htm. n/a
Burdine, K. H., G.J. Schwab, R.W. Eldridge, and R. Trimble 2005. The Economics of Pasture Fertilization U.K. Cooperative Extension Publication, Department of Ag. Economics Publication URL