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Ben McClure at Hugoton, KS reports in......this is Joel McClure's brother who has become quite famous in recent years for his plot work.......Ben also operates Kramer Seed Farms which is a winter wheat seed supplier.....This is a large center pivot farm in western Kansas.
Ben's results are on large plots with 28 total plots under a center pivot with Garret Havel, Crop Quest Agronomist,assisting with the data. The plots meet Steep 3 and are harvested with a weigh wagon.
We are confident this is a good set of data.
Applications of TAPPS with N above 150 pounds per acre....creates a backside of the nitrogen yield curve.....Yields do go down above 150 pounds N quite often with Exactrix Application....N rates must be reduced to take top yields....
The Marginal Return Point is between 126 pounds to 150 pounds N.....a good bet is 140 pounds N is about maximum with 30 inch band spacing...making a one time application....Side dress could bring 10 more bushels per acre.....or 15 inch band spacing with Strip Till.....and side dress in pre-plant.
Exactrix does apply 166% more crop available nitrogen....Across the Great Plains....The system does apply 166% more crop available nutrient when you include P and S.
Ben has another plot regarding phosphate rates.
|Garret Havel assisting in plot design.||Large center pivot plot, Hugoton, KS.||Plot paperwork reviewed.|
|Ben McClure, Joel McClure, Craig Rife and John||Supplemental irrigation is required.||Large plots require a half cut and two passes.|
|Each plot is weighed individually.||Garret Havel, agronomist, Crop Quest.||
Exactrix 2KC Weigh Master,
2KP TAPPS Formulator
|"Quality is always remembered well after price is forgotten."|
Global Systems LLC
4501 East Trent Ave.
Spokane, WA 99212
(509) 535.9925 fax(509) 535.9989
Buy or rent the Exactrix® Direct Injection System and get top support at a fraction of the cost of existing systems.