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User: Peter Hudy

Created on: 2010-05-06

Observation Date 2010-05-06

Comment:
Sprayed LTER Interaction Study Site, all 16 plots. Plots sprayed with Roundup Power Max for preplant weed burndown and removal of winter wheat. Roundup was applied at 22 oz/A with ammonium sulfate at 3.4 lbs/A (17 #/100 gallon carrier). Plots were sprayed with two 30' wide passes followed by a single 10' wide pass on the west side. An area approximately 15' wide on the east side of the field was not sprayed. Where lysimeters were located, they were sprayed by running the boom of the sprayer over the top of the entire lysimeter area and spraying them at the normal field rate listed above. Time of application was 8:00-9:15 a.m. Weather conditions were partly cloudy, temperature was 49F, 72% relative humidity, winds were mostly from west southwest from 3-9 mph with 10 minute average of 8 mph. Equipment used: JD 5220 tractor traveling 4.6 mph (gear C1, 1450 rpm) with a pull type Top Air Sprayer equipped with a a hydraulic centrifugal sprayer pump and a Raven 440 automatic carrier control unit. Turbo TeeJet 11003 nozzles were used, spaced 15 inches apart with a total boom length of 30 feet. 20 psi was used. Water applied at 20 gals/A (187 L/Ha) was used as the carrier.

Areas:
Interaction

Observation Type:
Herbicide Application

Activities:

Worker: Commercial Applicator
Equipment: John Deere 5220 Tractor
Equipment: Top Air Sprayer
Equipment: TurboTeeJet 11003 Flat Fan Nozzle • Material: Ammonium sulfate (AMS) @ 3.4 pound per acre • Material: H2O @ 20.0 gallon per acre • Material: Herbicide Roundup Power Max (glyphosate 48.7%) @ 22.0 ounce per acre

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