Show Observation
User: Peter Hudy
Created on: 2012-04-30
Observation Date 2012-04-27
Comment:
Sprayed the GLBRC Main Site Treatment G3, all replications (reps. 1, 4, 2, 3, and 5) for preplant burndown weed control using a tank mix of Roundup PowerMax, 2,4-D LV4, 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, 2,4-D LV4 (EPA Reg. No. 1381-102) (2-ethylhexyl ester of 2,4-dichlorophenoxyacetic acid 66.2%) was applied at 1 pt/acre, and Ammonium Sulfate (sprayable, CAS #7783-20-2) was applied at 3.4 lbs/acre. Weather conditions: Sunny with air temperature of 42 degrees F (5.6 degrees C). Relative Humidity was 50%. Wind was from north at 2 mph. Time of application was 10:30 a.m. - 2:30 p.m. Equipment Used: JD 5220 tractor traveling 5.0 mph (gear C1, 1600 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:
G3
Observation Type:
Mechanical Weed Control
Activities:
Attachments: