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Fact vs. Myth, What is Holding Precision Agriculture Back Daniel Edmonds Cody Daft Zimbabwe, January 2008
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Communication German Coastguard
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N Uptake, Wheat and Corn
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Myth: Variable Nitrogen Rate Application is too difficult Fact: Variable Nitrogen Rate Application is indeed difficult, but not overwhelming
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Myth: The only precision agriculture technology that is going to make me money is an auto guidance system Fact: There are lots of precision agriculture tools available today that have delivered economic benefits (VERIS, GreenSeeker, Yield Mapping)
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Myth: VRT is only for large farmers Fact: This would exclude most of Oklahoma
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Myth: My Grandpa was a good farmer and he applied 100 lbs of N/ac, every year, and we still have the farm. Fact: Grandpa wasn’t a very good farmer
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Myth: The YP0*RI=YPN algorithm developed by OSU is only useful in Oklahoma Fact: Farmers in Iowa, Minnesota, Illinois, Nebraska, Mexico, Argentina, Australia, and Canada have benefited from using this approach
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Myth: The GreenSeeker RT200 equipment is difficult to install Fact: Dave Geils, Illinois: “… it was easy to install and only took a few hours. You just attach the sensors, plug it in, and it was good to go.”
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Myth: The NRCS program sounds good (support of VRT), but it is pie in the sky. Fact (Jan, 2008): Randy Becker is utilizing the EQUIP program, through the NRCS. In his contract he will be receiving $11.10 per acre on 640 acres for 3 years. Basically the NRCS is paying for his system in full.
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Myth: I just need to get the right flat rate, since my fields don’t have any spatial variability Fact: If your fields don’t have any spatial variability, you must already be in heaven
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Myth: The GreenSeeker RT200 isn’t going to make me any money, because it is too expensive ($22,000 retro-fit sprayer) Fact: Dave Geils, Illinois. “We saved at least 20 units across the board. The total nitrogen savings was about $24,000. So I paid for the cost of GreenSeeker the first year. ”
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Myth: The government is going to take care of me. Uncle Sam and I go way back and he just isn’t going to let me down. Fact: Farmer: “Government programs are not going to keep giving us money if we aren’t good environmental stewards. We might as well get in front of the game with tools like GreenSeeker.”
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Myth: The N Rich Strip and Ramp Calibration Strip were developed separately for different reasons Fact: The RCS approach was developed after the SBNRC as a visual diagnostic tool, and potential alternative for farmers. Both hinge on the same concepts.
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Myth: OSU is working in third world countries because farmers in Oklahoma won’t listen to them Fact: OSU is working in third world countries because it is the right thing to do.
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Myth: With the advent of the GreenSeeker N management approach, soil testing for NH4-N and NO3-N is now worthless. Fact: The N Rich Strip – GreenSeeker and/or RAMP approach is much better than the N soil test. HOWEVER, soil sampling for N, especially 0-2 ft is still incredibly useful.
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Myth: The reason that OSU is pushing the GreenSeeker technology is because it could make OSU a little money Fact: The reason that OSU is pushing the GreenSeeker technology is because it could make OSU A LOT of MONEY! and the football stadium is overbudget
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Ambassador of Agriculture
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Fabric “One can stand still in a flowing stream, but not in a world of men” What we do can impact many far beyond the reaches of those intended
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April 16, 2007 Dr. Norman Borlaug Ciudad Obregon, MX Endorses GreenSeeker approach for improved N management April 16, 2007 Dr. Norman Borlaug Ciudad Obregon, MX Endorses GreenSeeker approach for improved N management
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Corn N Management versus Wheat Graph showing N uptake as a function of time, show why N preplant (50%) in corn is so important
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