Show Observation

User: Peter Hudy

Created on: 2010-05-27

Observation Date 2010-05-26

Comment:
Sprayed the LTER Main Site Treatment Cellulosic Ethanol Study treatments CE1 and CE2 (all replications, 1, 2, 3, & 4) with 2,4-D Amine 4 herbicide mixed with Roundup PowerMax for post emergence weed control in corn. 2,4-D Amine 4 herbicide (Dimethylamine salt of 2,4-Dichlorophenoxyacetic acid 47.3%) was applied at 16 oz per acre and Roundup PowerMax was applied at 32 oz/A in 20 gallons/A H2O as carrier. The treatments correspond to the following plots: CE1 (108, 202, 034, 401) and CE2 (112, 210, 312, 402). Weather conditions: Partly sunny with air temperature of 84 degrees F at start. Relative Humidity as 50%. Wind was calm-5 mph from NNE. Time of application was 2:30 p.m. Equipment Used: JD 5220 tractor traveling 4.6 mph (gear C1, 1450 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

Observation Type:
Mechanical Weed Control

Activities:

Worker: Peter Hudy

Equipment: John Deere 5220 Tractor

Equipment: Top Air Sprayer

Equipment: TurboTeeJet 11003 Flat Fan Nozzle • Material: Herbicide 2,4-D amine @ 16.0 ounce per acre • Material: Herbicide Roundup (glyphosate) @ 32.0 ounce per acre • Material: H2O @ 20.0 gallon per acre

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