In field crop sensors - 2-27-13

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Introduction to in-field crop sensors.

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  • Shannon Huber Norwood, Multi-County Extension Agent, Brenda Ortiz, Assistant Professor and Grain Crops-Precision Agriculture Specialist; Amy Winstead, Regional Extension Agent, John Fulton, Assistant Professor and Extension Specialist, Alabama Cooperative Extension System.
  • Shannon Huber Norwood, Multi-County Extension Agent, Brenda Ortiz, Assistant Professor and Grain Crops-Precision Agriculture Specialist; Amy Winstead, Regional Extension Agent, John Fulton, Assistant Professor and Extension Specialist, Alabama Cooperative Extension System.
  • Application Maps: http://hollandscientific.com/crop-circle-mappingvrt-system/
  • http://www4.agr.gc.ca/abstract-resume/abstract-resume.htm?lang=eng&id=14859000000337
  • http://www4.agr.gc.ca/abstract-resume/abstract-resume.htm?lang=eng&id=14859000000337 4001921-8CABLE - OPTRX SENSOR EXTENSION (8 FT)$35.00$70.00 4100844OPTRX BRACKET KIT - FRONTMOUNT TOOLBAR, 2-4"$160.00$480.00 4100804OPTRX MASTER MODULE KIT$1,500.00$1,500.00 4100807OPTRX SENSOR KIT - 3 SENSORS$9,000.00$9,000.00Order total:$11,050.00Bottom of Form  Jeff DickensTerritory Manager (ND & SD)Ag Leader TechnologyYankton, SDCell: (605) 929-8786Fax: (515) 239-8998jdickens@agleader.com
  • http://ag.topconpositioning.com/en/ag-products/x20-application-kits/cropspec
  • http://www.google.com/patents/US20110286636
  • Walt Albus, NDSUOakes Research Station
  • Slide 4 shows relationship between NDRE values from Crop Circle sensor and yield at Jones field. Comparing NDVI Red Edge Readings with YieldReadings taken at silk stage. (Percentage of highest reading in field)High correlation
  • http://www4.agr.gc.ca/abstract-resume/abstract-resume.htm?lang=eng&id=14859000000337
  • In field crop sensors - 2-27-13

    1. 1. In-field Crop SensorsJohn NowatzkiExtension Ag Machine Systems Specialist
    2. 2. In-field Crop SensorsIn-field Sensors vs. Remote SensorsSensor Operation PrinciplesCommercial Crop SensorsApplications to Crop Production
    3. 3. Crop SensorsFact Sheet
    4. 4. In-field Sensors vs. Remote Sensors• Sensors onEquipment• Internal LightSource• Real-time
    5. 5. Sensor Field Operation• Rate Determination:• NDVI Value• Compare NDVI toOptimum Area• Growing Degree Days• Potential Yield• Activate Rate Controller
    6. 6. GreenSeeker – Trimble• $10,000 - $17,000• Processor• 4 sensors• Cables• Uses N-Rich Strip
    7. 7. OptRx – Ag Leader• $17,000• 3 Sensors• Integra Display• Direct Command kit• Uses Virtual Reference Strip
    8. 8. CropSpec – Topcon• $18,000• Uses N-Rich Strip
    9. 9. Crop Circle – Holland Scientific• $17,500• 3 sensor system with Integra display and DirectCommand kit• Uses Virtual Reference Strip
    10. 10. GreenSeeker Handheld• $500• Uses N-Rich Strip
    11. 11. Handheld Crop SensorHolland ScientificCBDA
    12. 12. Crop TableHolland ScientificCrop %N lbs/BuMaximum yield (bu/ac)15 25 50 75 100 125 150 175 200 225 250 275Spring Wheat 2.45 60 66.8 134 200 167 334 401 468Winter Wheat 2.30 60 3.76 62.7 125 188 251 314 376 439Dryland corn 1.35 56 99.3 132 165 199 232 265 298 331Irrigated Corn 1.25 56 127 159 191 223 255 286 318 350Barley 1.70 48 22.3 31.7 74.2 111 148 185 223 260Triticale 2.10 54 30.9 51.5 103 155 206 258 309 361Sorghum 1.34 56 102 136 172 205 239 273 307canola 3.10 50 42.3 70.5 141 211 2820.30 x 165 = 49.5123
    13. 13. $100$50iPad – iPhone app Android coming soon!
    14. 14. Click Tap Read,Repeat
    15. 15. FieldScout App Readout:
    16. 16. In-season Variable Rate• Mount Sensors on side-dress applicator• N-rich strip in each field• Applicator will sense the N-rich strip• Compare each readings with N-rich strip• Use the difference to determine N to apply
    17. 17. Implications for Crop Management• Real-time Plant Nitrogen Requirements• Maximize Yield• Reduce Total N Application• Save Second Application in Droughts• Early Yield Prediction• Precision Desiccant Application
    18. 18. Questions - CommentsOffice 701-231-8213 Cell 701-261-9842John.Nowatzki@ndsu.eduhttp://www.ag.ndsu.edu/agmachinery

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