1 / 11

Trimble® GreenSeeker Handheld Crop Sensor Update

Trimble® GreenSeeker Handheld Crop Sensor Update. Eric Miller, Jacob Bushong , and Bill Raun NUE Conference August 6 th , 2013. Objective. Develop a small and cost-effective NDVI sensor to duplicate the results of a commercial GreenSeeker sensor (Crain et al., 2012).

pearl
Download Presentation

Trimble® GreenSeeker Handheld Crop Sensor Update

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Trimble® GreenSeeker Handheld Crop Sensor Update Eric Miller, Jacob Bushong, and Bill Raun NUE Conference August 6th, 2013

  2. Objective • Develop a small and cost-effective NDVI sensor to duplicate the results of a commercial GreenSeeker sensor (Crain et al., 2012) Picture courtesy of Jared Crain

  3. Handheld sensor’s debut MSRP $495 USD

  4. Issues • Issue #1- 1:1 Relationship with the GreenSeeker • Issue 2: Handheld to handheld reliability

  5. Relationship with the GreenSeeker

  6. Regression model parameters

  7. Fabric evaluation • 3 handheld sensors • Hand #1, Hand #2, and Hand #7 • 1 GreenSeeker (GS) • 9 solid colored 1 x 1 m fabric • 0.91 m above the fabric • 5 second collection time NDVI 0.90 0.05

  8. Fabric evaluation regression = significant to α=0.05

  9. Fabric evaluation stability = significant to α=0.05

  10. Influence on N recommendations

  11. Questions?

More Related