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User: Peter Hudy

Created on: 2010-05-06

Observation Date 2010-05-06

Comment:
Sprayed LTER Main Site Cellulosic Ethanol Study treatment CE3 all replications (reps 1, 2, 3, and 4). Plots sprayed with Roundup Power Max for preplant weed burndown. Roundup was applied at 22 oz/A with ammonium sulfate at 3.4 lbs/A (17 #/100 gallon carrier). Plots were sprayed with a single pass (30' wide) going south to north. 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:
CE3

Observation Type:
Mechanical Weed Control

Activities:

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

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