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History of Optical Sensing at Oklahoma State University

Also see: NTech: A Brief History


1991-1993 1994 1995 1996 1997-1999 2000 2001

 
1991
 
 

Initial sensor research focused on detecting and spraying weeds.

 

       
1992

 

 
In the summer of 1992, a first-order bindweed detection/sprayer was evaluated for fall applications.
 
 
 

First discussion between the Departments of Plant and Soil Sciences and Biosystems and Agricultural Engineering concerning the possibility of sensing biomass in wheat and bermudagrass. Biomass was to be used as an indicator of nutrient need (based on removal).

       
1993
    Dr. John Stolle, Dr. Marvin Stone, and Shannon Osborne collect sensor readings at ongoing bermudagrass, N-rate * N timing experiments with the Noble Foundation in Ardmore, OK. Initial results were promising enough to continue this work in wheat.

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



 
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