Show Observation

User: Peter Hudy

Created on: 2012-05-14

Observation Date 2012-05-11

Comment:
Sprayed the ancillary plots (replicate 6) at the GLBRC main site preplant burndown weed control using Roundup PowerMax and ammonium sulfate. The ancillary plots which were sprayed were the 2nd-6th plots from the southwest corner of the main site area. Additionally, sprayed the easternmost pass of the guard bait crop on the east side of the field. 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:
GLBRC_Trap_Crop_Area

Observation Type:
Herbicide Application

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%) @ 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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