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OptRx Crop Sensors (Optimum Prescription)

Detailed comparison of OptRx prescription and flat N rate program outcomes in Iowa, Missouri, Kansas, and Louisiana with pricing information and obstacle insights for farmer education.

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OptRx Crop Sensors (Optimum Prescription)

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  1. OptRx Crop Sensors(Optimum Prescription)

  2. Comparison of OptRx and farmer flat rate

  3. 2008 Field Testing Flat rate = 50 Lbs of N/ac Flat rate = 50 Lbs of N/ac OptRx prescribed passes OptRx prescribed rate and farmer’s flat rate alternated across entire field

  4. Crop Sensor vs. Flat N Rate - 2008 • $.60 per lb N and $4 per bushel corn • Crop sensor rate and farmer’s flat rate alternated across entire field • Iowa • Field 1 - $41.00/ac more than flat rate • Field 2 - $24.00/ac more than flat rate • Field 3 - $100.00/ac more than flat rate • Missouri • Field 1 - $75.00/ac more than flat rate • Field 2 - $120.00/ac more than flat rate • Field 3 - $15.00/ac more than flat rate

  5. Crop Sensor vs. Flat N Rate - 2009 • $.50 per lb N and $3.50 per bushel corn • Crop sensor rate and farmer’s flat rate alternated across entire field • Iowa • Field 1 $21.96/ac more than flat rate • Field 2 $47.38/ac more than flat rate • Field 3 $62.82/ac more than flat rate • Field 4 ($1.09)/ac less than flat rate • Field 5 $15.03/ac more than flat rate

  6. Crop Sensor vs. Flat N Rate - 2009 • Missouri • Field 1 $14.09/ac more than flat rate • Field 2 $4.41/ac more than flat rate • Field 3 $7.09/ac more than flat rate • Field 4 $11.32/ac more than flat rate • Field 5 $26.78/ac more than flat rate • Field 6 $33.03/ac more than flat rate • Field 7 $35.27/ac more than flat rate • Field 8 $3.81/ac more than flat rate • Field 9 $2.70/ac more than flat rate • Field 10 $25.89/ac more than flat rate • Field 11 $41.69/ac more than flat rate

  7. Crop Sensor vs. Flat N Rate - 2009 • Missouri • Field 12 $22.19/ac more than flat rate • Field 13 $33.54/ac more than flat rate • Field 14 $45.00/ac more than flat rate • Kansas • Field 1 $11.82/ac more than flat rate • Louisiana • Field 1 $2.68/ac more than flat rate

  8. List Pricing • $3000 per sensor • $1500 per master module (1 per system) • Recommend 5 sensors for 80 foot or wider boom • Recommend 3 sensors for less than 80 foot swaths

  9. Obstacles (corn market) • Corn farmers generally don’t believe there is anything wrong with their current flat rate N program. • Must prove sensors are better than their current N program • 2 years of good results before they start to trust it • Application timeframe • Limited timeframe with toolbar because corn must be at V4/V5. • Longer timeframe with self-propelled applicator because of higher clearance.

  10. How do we convince farmers their flat rate program is deficient? • Farmer education • Organic matter argument

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