Show Observation

User: Peter Hudy

Created on: 2009-06-24

Observation Date 2009-06-05

Comment:
Sprayed the GLBRC Switchgrass Variety Trial for preemergence weed control. Drive (quinclorac) at 1 pound/acre and Atrazine 4L at 1/2 pound/acre were applied. Weather conditions: Sunny with air temperature of 74 degrees F (23°C). Relative Humidity was 27%. Wind was from east at 8 mph with a 10 minute average of 6 mph. Time of application was 6:00 p.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:
Switchgrass_variety

Observation Type:
Herbicide Application

Activities:

Worker: Peter Hudy

Equipment: John Deere 5220 Tractor

Equipment: Top Air Sprayer • Material: Drive (quinclorac) @ 1.0 pound per acre • Material: Herbicide Atrazine 4L @ 0.5 pound per acre • Material: H2O @ 20.0 gallon per acre

Equipment: TurboTeeJet 11003 Flat Fan Nozzle

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