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Productivity Map on Ripper = Soil Density Map?
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Don Smith
Posted 11/26/2006 11:33 (#65616 - in reply to #65553)
Subject: RE: Deere and GPS Speed...

Centre county Pennsylvania, USA
Ted, thanks for info on Deere data loggers, that is good to know. I don't think our operating ground speed (from corner post speedometer) goes below 1 MPH but it does get pretty close to that in some areas of our non-flat fields.

We always apply products using non-flat ground speed info to product controller. Ground speed for controller comes from applicator wheel magnet speed sensor or from non-terrain compensated GPS speed . On our hill country farms that causes application rates that are above EPA label rates when FSA's horizontal (flat) acres are used in calculation. We aren't trying to violate EPA rules, EPA is good, just trying to farm hilly country.

Interesting observation about gov't officials view on tolerance in rate checks. I can only hope they will practice that tolerance if they ever check rates in this area.

Our non-flat acres could also explain why our yields and production costs never agree with official gov't or university published numbers, they probably use flat acres in calculation of numbers ?

Edited by Don Smith 11/26/2006 11:34
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