Plant husbandry – Process – Soil conditioning
Reexamination Certificate
2007-03-13
2007-03-13
Gellner, Jeffrey L. (Department: 3643)
Plant husbandry
Process
Soil conditioning
C071S001000, C701S050000, C702S005000
Reexamination Certificate
active
10801757
ABSTRACT:
A method for in-season macro and micronutrient application based on predicted yield potential, coefficient of variation, and a nutrient response index. The inventive method includes the steps of: determining a nutrient response index for a field; determining the normalized difference vegetation index (NDVI) of an area to fertilize; determining the coefficient of variation of NDVI over a plot; determining a predicted crop yield for the area without additional nutrient; determining an attainable crop yield for the area with additional nutrient; determining the nutrient requirement for the area as the difference between the nutrient removal at the attainable yield minus the nutrient removal at the predicted yield, adjusted by the efficiency of nutrient utilization in the particular crop as indicated by the coefficient of variation.
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Freeman Kyle
Johnson Gordon V.
Raun William R.
Solie John B.
Stone Marvin L.
Fellers Snider Blankenship Bailey & Tippens, P.C.
Gellner Jeffrey L.
The Board of Regents for Oklahoma State University
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