Show Observation
User: Peter Hudy
Created on: 2012-05-11
Observation Date 2012-05-11
Comment:
Sprayed the LTER Main Site Cellulosic Ethanol Study, treatments CE1 (plots 108, 202, 304, 401), CE2 (plots 112, 210, 312, 402), and CE3 (plots 105, 207, 301, 403) 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 12:45 p.m. - 1:30 p.m. 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:
CE1 CE2 CE3
Observation Type:
Mechanical Weed Control
Activities:
Attachments: