Show Observation

User: Peter Hudy

Created on: 2009-06-24

Observation Date 2009-06-15

Comment:
Sprayed the LTER main site, European Corn Borer Study (ECB), for preemergence weed control. Lexar (S-metolachlor (+ safener) + atrazine + mesotrione) was applied at 3 qts/acre with 17% ammonium sulfate. Weather conditions: Cloudy with air temperature of 74 degrees F (23°C). Relative Humidity was 49%. Wind was from east at 6 mph with a 10 minute average of 7 mph. Time of application was 6:00 pm. Equipment Used: JD 5220 tractor traveling 4.8 mph (gear C1, 1550 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 wide angle flat spray nozzles were used, spaced 15 inches apart with a total boom length of 30 feet. 20-30 psi were used. Water applied at 20 gals/A, (187 L/ha), was used as the carrier.

Areas:
ECB

Observation Type:
Mechanical Weed Control

Activities:

Worker: Peter Hudy

Equipment: John Deere 5220 Tractor • Material: Herbicide Lexar (S-metolachlor (+safener) + atrazine + mesotrione) @ 3.0 quart per acre • Material: Ammonium sulfate (AMS) @ 3.4 pound per acre • Material: H2O @ 20.0 gallon per acre

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