Show Observation

User: Justin Mezo

Created on: 2013-05-08

Observation Date 2013-05-07

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, 2,4D-LV-4 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 was applied at 1 pt/A and Ammonium Sulfate (sprayable, CAS #7783-20-2) was applied at 3.4 lbs/acre. Weather conditions: Sunny with air temperature of 73 degrees F. Relative Humidity was 41%. Wind was from ENE 1-8 mph with 10 min avg. of 5 mph. Time of application was 1:15 p.m. - 2:30 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 John Deere Rate Controller. 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:

Worker: Justin Mezo

Equipment: TurboTeeJet 11003 Flat Fan Nozzle

Equipment: Top Air Sprayer • Material: Herbicide Roundup Power Max (glyphosate 48.7%) @ 32.0 ounce per acre • Material: Herbicide 2,4-D ester @ 16.0 ounce per acre • Material: Ammonium sulfate (AMS) @ 3.4 pound per acre

Equipment: John Deere 5220 Tractor

Attachments: