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Marv Stone John Solie Randy Taylor Robert Westerman. Art Klatt Ken Sayre Ron Cantrell Ivan Ortiz- Monasterio. nue.okstate.edu. Prof. Robert A. Olson Don Sander Jim Schepers. Dr. Norman E. Borlaug, CIMMYT Greenseeker field day
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Marv Stone John Solie Randy Taylor Robert Westerman Art Klatt Ken Sayre Ron Cantrell Ivan Ortiz-Monasterio nue.okstate.edu Prof. Robert A. Olson Don Sander Jim Schepers
Dr. Norman E. Borlaug, • CIMMYT Greenseeker field day • Ciudad Obregon, April, 2007
Bill Gates CIMMYT, 2012
1993 Dr. Marvin Stone adjusts the fiber optics in a portable spectrometer used in early bermudagrass N rate studies with the Noble Foundation, 1994. Dr. Shannon Osborne, Dr. Marvin Stone, Dr. John Solie using passive NDVI sensors developed at OSU
Dr. Wade Thomason1993 In field, variable light gain adjustment
Collaborative Project with CIMMYT Variety Selection/Yield Potential Spring Wheat, 1995, El Batan, Mexico Upward light adjustment
Dr. Kyle Freeman • Texcoco, Mexico Dr. Ivan Ortiz-Monasterio Dr. Paul Hodgen Ciudad Obregon, Mexico
Dr. Marvin StoneEarly spectrometer use in the field Dr. Kyle FreemanEarly, hand held NDVI sensorsCiudad Obregon, Mexico
Field ScaleRT200 VRT ApplicatorCiudad Obregon, MexicoDr. Randy Taylor
Greenseeker trainingCiudad Obregon, MexicoDr. Ivan Ortiz-Monasterio
Greenseeker trainingCiudad Obregon, MexicoDr. Ivan Ortiz-Monasterio
Independence of Yield potential and Nitrogen response IowaNebraskaWisconsinOklahoma (Arnall et al., 2013, Agron J. 105:1335-1344)
Dr. Jim SchepersWise Master Stillwater, Oklahoma
Eric Miller Nitrogen Rich Strips
Indicator Crops courtesy of Eric Miller
nue.okstate.edu #9 Corn-Rainfed