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User: Peter Hudy

Created on: 2009-06-24

Observation Date 2009-06-24

Comment:
Sprayed the LTER main site, treatment 1, reps 1-6, for post-emergence weed control. Roundup Original Max 5.5L (gyphosate) was applied at 1 quart/acre (3.87 L/ha). Weather conditions: Sunny with air temperature of 85-91 degrees F (29-33°C). Relative Humidity was 70%. Wind was from west at 3 mph. Time of application was 10:30 a.m. Equipment Used: JD 5220 tractor traveling 4.8 mph (gear C1, 1550 rpm) with a pull type Top Air Sprayer equipped with 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. 20-30 psi were used. Water applied at 20 gals/A, (187 L/ha), was used as the carrier.

Areas:
T1

Observation Type:
Herbicide Application

Activities:

Worker: Commercial Applicator
Equipment: John Deere 5220 Tractor
Equipment: Top Air Sprayer
Equipment: TurboTeeJet 11003 Flat Fan Nozzle • Material: Herbicide Roundup OriginalMax 5.5L @ 1.0 quart per acre • Material: Ammonium sulfate (AMS) @ 3.4 pound per acre • Material: H2O @ 20.0 gallon per acre

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