Show Observation

User: Peter Hudy

Created on: 2011-06-27

Observation Date 2011-06-17

Comment:
Sprayed the trap crops at the GLBRC Main Site for preemergence weed control in non-Roundup Ready corn. Areas sprayed were the 3 corn plots in Replicate 6 and the north end trap crop. Roundup Power Max (glyphosate [EPA 524-549]) at 22 oz/A and Ammonium Sulfate (CAS 7783-20-2) at 3.4 lbs/A was applied. Weather conditions: Sunny, 78 degrees F, 62% relative humidity, wind at 6 mph from NE. Time: 1:30 - 4:30 p.m. Equipment Used: JD 5220 tractor traveling approximately 5.0 mph (gear C1, 1400 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 psi were used. Water applied at 20 gals/A, (187 L/ha), was used as the carrier.

Areas:
GLBRC_Trap_Crop_Area

Observation Type:
Mechanical Weed Control

Activities:

Worker: Peter Hudy

Equipment: John Deere 5220 Tractor

Equipment: Top Air Sprayer

Equipment: TurboTeeJet 11003 Flat Fan Nozzle • Material: Herbicide Roundup Power Max (glyphosate 48.7%) @ 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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