Show Observation

User: Joe Simmons

Created on: 2007-07-18

Observation Date 2004-05-06

Comment:
Sprayed the N-rate studies, irrigated and non-irrigated, ECB study, and the extra area east of the 2,4-D study and west of the LTER main drive. Purpose of Application: Control of annual broadleaves and grass weeds. Dual II Magnum (s-metolachlor (+ safener)) was applied at 1.33 pts/A, (1.56L/ha). Callisto (mesotrione) was applied at 6 oz/A (0.44L/ha), and Atrazine 4L (atrazine) was applied at 1 lbs/A (1.12 kg/ha). Weather Conditions: Mostly cloudy with air temperature 80 degrees F. Relative Humidity was 53%. Wind was out of the west at 0-6 mph's averaging 2 mph's. Time of application was between 3:00 p.m. and 4:00 p.m. Equipment Used: JD 5220 tractor traveling 4.0-5.0 mph (gear C1, 1400-1600 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. 20-30 psi was used. Water applied at 20 gals/A, (187L/ha), was used as the carrier. Sprayed preemergence. Weeds prevalent: None.

Areas:
ECB LTER_Alleyway Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated

Observation Type:
Herbicide Application

Activities:

Worker: Joe Simmons

Equipment: Top Air Sprayer • Material: Dual II Magnum (s-metolachlor (+ safener)) @ 1.33 pint per acre • Material: Herbicide Callisto (mesotrione) @ 6.0 ounce per acre • Material: Herbicide Atrazine 4L @ 1.0 pound per acre • Material: H2O @ 20.0 gallon per acre

Equipment: John Deere 5220 Tractor

Attachments: