Show Observation

User: Joe Simmons

Created on: 2007-07-18

Observation Date 2004-04-30

Comment:
Sprayed the winter wheat on the main site lysimeter field for weeds. Purpose of Application: Control of annual broadleaves. Sprayed postemergence. 2,4-D Amine was applied at 1 pt/A, (1.17 L/ha). A total of 1 gallon of 2,4-D was applied on 8.3 acres of the field (3.36 hectares). The entire field was not sprayed with 2,4-D. The field area sprayed was from the weather tower towards the east and one pass all the way around the field. Weather Conditions: Mostly cloudy with air temperature 72 degrees F. Relative Humidity was 52%. Wind was out of the west at 0-3 mph averaging calm. Time of application was between 4:30 p.m. and 5:30 p.m. As I was finishing spraying the field a light rain started. 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. 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:

Attachments: