Show Observation

User: Peter Hudy

Created on: 2012-05-14

Observation Date 2012-05-11

Comment:
Sprayed the Interaction Study, no till treatments only for preplant burndown weed control using Roundup PowerMax and ammonium sulfate. Roundup Power Max (EPA Reg. No. 524-549) (Glyphosate: N-(phosphonomethyl) glycine, in the form of its potassium salt, 48.7%) was applied at 1 qt/acre, and Ammonium Sulfate (sprayable, CAS #7783-20-2) was applied at 3.4 lbs/acre. Weather conditions: Sunny with air temperature of 56 degrees F. Relative Humidity was 52%. Wind was from calm and from north at 0-2 mph. Time of application was 10:00 - noon. Equipment Used: JD 5220 tractor traveling 3.8 mph (gear B3, 1700 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:
Interaction

Observation Type:
Herbicide Application

Activities:

Worker: Commercial Applicator

Equipment: Top Air Sprayer

Equipment: TurboTeeJet 11003 Flat Fan Nozzle

Equipment: John Deere 5220 Tractor • Material: Herbicide Roundup Power Max (glyphosate 48.7%) @ 32.0 ounce per acre • Material: Ammonium sulfate (AMS) @ 3.4 pound per acre • Material: H2O @ 20.0 gallon per acre

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