Show Observation

User: Peter Hudy

Created on: 2011-05-16

Observation Date 2011-05-11

Comment:
Sprayed the LTER Main Site Treatment T1, all replications (reps. 6, 5, 1, 4, 2, and 3) for preemergence weed control in corn. Lexar (S-metolachlor (+ safener) + atrazine + mesotrione) [EPA Reg. No. 100-1201] was applied at 3 qts/acre (7.01 L/Ha). Weather conditions: Sunny with air temperature of 59-77 degrees F (15 - 25 degrees C). Relative Humidity was 60-62%. Wind was from E at 2 - 4 mph. Time of application was 7:15 a.m. - 11:15 a.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:
T1

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 Lexar (S-metolachlor (+safener) + atrazine + mesotrione) @ 3.0 quart per acre • Material: H2O @ 20.0 gallon per acre

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