Show Observation

User: Joe Simmons

Created on: 2007-06-18

Observation Date 2004-05-06

Comment:
Sprayed the winter wheat on the main site lysimeter field for weeds. Purpose of Application: Control of annual broadleaves. Harmony Extra (thifensulfuron methyl + tribenuron methyl) was applied at 0.5 oz/A, (35 g/ha) and NIS surfactant was applied at 0.25%. A total of 3.5 oz of Harmony Extra and 1 qt of surfactant were applied on 6.3 acres of the field (2.55 hectares). The entire field was not sprayed with Harmony Extra. The field area sprayed was from the weather tower towards the west. From the weather tower towards the east was sprayed with 2,4-D on April 30, 2004. Weather Conditions: Mostly cloudy with air temperature 76 degrees F. Relative Humidity was 58%. Wind was out of the west at 0-5 mph averaging 2 mph. Time of application was between 1:15 p.m. and 1:45 p.m. Equipment Used: JD 5220 tractor traveling 5.0-6.0 mph (gear C1, 1600-1800 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. 25-35 psi was used. Water applied at 20 gals/A, (187L/ha), was used as the carrier. Sprayed postemergence. Weeds prevalent: Shepherd's-purse (Capsella bursa-pastoris), common chickweed (Stellaria media), henbit (Lamium amplexicaule) and dandelion (Taraxacum officinale).

Areas:
LYSIMETER_FIELD

Observation Type:
Herbicide Application

Activities:

Worker: Joe Simmons

Equipment: John Deere 5220 Tractor

Equipment: Top Air Sprayer • Material: Herbicide Harmony Extra (thifensulfuron methyl + tribenuron methyl) @ 0.5 ounce per acre • Material: NIS surfactant @ 0.25 % per acre • Material: water @ 20.0 gallon per acre

Attachments: