Marv Stone John Solie Randy Taylor Robert Westerman

Prof. Robert A. Olson Don Sander Jim Schepers

Art Klatt Ken Sayre Ron Cantrell Ivan Ortiz-Monasterio

nue.okstate.edu

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Dr. Norman E. Borlaug, CIMMYT Greenseeker field dayCiudad Obregon, April, 2007

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Bill GatesCIMMYT, 2012

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PROFESSOR ROBERT A. OLSON

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1993

Dr. Shannon Osborne, Dr. Marvin Stone, Dr. John Solie using passive NDVI sensors developed at OSU

Dr. Marvin Stone adjusts the fiber optics in a portable spectrometer used in early bermudagrass N rate studies with the Noble Foundation, 1994.

Dr. Wade Thomason1993

In field, variable light gain adjustment

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Collaborative Project with CIMMYT Variety Selection/Yield PotentialSpring Wheat, 1995, El Batan, Mexico

Upward light adjustment

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Dr. Kyle FreemanTexcoco, Mexico

Dr. Ivan Ortiz-MonasterioDr. Paul HodgenCiudad Obregon, Mexico

Dr. Kyle Freemanearly Greenseeker testing

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Dr. Kyle FreemanEarly, hand held NDVI sensorsCiudad Obregon, Mexico

Dr. Marvin StoneEarly spectrometer use in the field

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0.4m2 VRT applicator

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By-plantsensor based N rate applicator

Field ScaleRT200 VRT ApplicatorCiudad Obregon, MexicoDr. Randy Taylor

Greenseeker trainingCiudad Obregon, MexicoDr. Ivan Ortiz-Monasterio

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Greenseeker trainingCiudad Obregon, MexicoDr. Ivan Ortiz-Monasterio

Independence of Yield potential and Nitrogen response

(Arnall et al., 2013, Agron J. 105:1335-1344)

IowaNebraskaWisconsinOklahoma

Dr. Jim SchepersWise MasterStillwater, Oklahoma

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Eric MillerNitrogen Rich Strips

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N Rich Strips

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courtesy of Eric Miller

Indicator Crops

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#9 Corn-Rainfed

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www.nue.okstate.edu

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MY WALL OF FAME WAITING FOR YOUR PICTURE