Browsing by Subject "A01C 21/007 (20130101)"

Now showing items 1-5 of 5

    • Optical Spectral Reflectance Sensor and Controller 

      Stone, Marvin L.; Needham, Duane; Solie, John B.; Raun, William Robert; Johnson, Gordon V.; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2003-07-22)
      A spectral reflectance sensor including: a light source for emitting a modulated beam of red light; a light source for emitting a modulated beam of near infrared light; a receiver for receiving reflected light produced by ...

    • Optical Spectral Reflectance Sensor and Controller 

      Stone, Marvin L.; Needham, Duane; Solie, John B.; Raun, William Robert; Johnson, Gordon V.; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2005-02-15)
      A spectral reflectance sensor including: a light source for emitting a modulated beam of red light; a light source for emitting a modulated beam of near infrared light; a receiver for receiving reflected light produced by ...

    • Process for In-season Fertilizer Nitrogen Application Based on Predicted Yield Potential 

      Raun, William Robert; Johnson, Gordon V.; Solie, John B.; Stone, Marvin L.; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2003-08-05)
      A method for in-season fertilizer nitrogen application based on predicted yield potential and a nutrient response index. The inventive method includes the steps of: determining a nutrient response index for a field; ...

    • Process for In-season Fertilizer Nutrient Application Based on Predicted Yield Potential 

      Raun, William Robert; Johnson, Gordon V.; Solie, John B.; Stone, Marvin L.; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2005-04-19)
      A method for in-season macro and micronutrient application based on predicted yield potential and a nutrient response index. The inventive method includes the steps of: determining a nutrient response index for a field; ...

    • Use of Within-field-element-size Cv for Improved Nutrient Fertilization in Crop Production 

      Raun, William Robert; Johnson, Gordon V.; Solie, John B.; Stone, Marvin L.; Freeman, Kyle; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2007-03-13)
      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 ...