Show Observation

User: Joe Simmons

Created on: 2007-06-14

Observation Date 2003-06-30

Comment:
Sprayed soybeans on the main site treatment 2 all replications (reps 6, 1, 4, 5, 2, & 3) postemergence for weed control. Basagran (bentazon) was applied at 2 pts/A (2.34 L/ha), Assure II (quizalofop-p-ethyl) was applied at 10 oz/A (0.73 L/ha), and crop oil was applied at 2 pts/A (2.34 L/ha). A total of 3.75 gals of Basagran, 150 oz of Assure II, and 3.75 gals of crop oil were applied on 14.82 acres (6 hectares). Weather Conditions: Air temperature was 81 degrees F. Relative Humidity was 41%. Wind was calm. Time of application was between 4:30 p.m. and 6:30 p.m. Equipment Used: JD 5220 tractor traveling 5.0 mph (gear C1, 1600 rpm's) 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 psi was used. Water applied at 20 gals/A, (187L/ha), was used as the carrier. Purpose of Application: Control of annual broadleaves and grass weeds. The grass and broadleaves were coming threw the preemergence herbicide that was applied in May of 2003.

Areas:
T2

Observation Type:
Mechanical Weed Control

Activities:

Worker: Joe Simmons

Equipment: John Deere 5220 Tractor

Equipment: Top Air Sprayer • Material: water @ 20.0 gallon per acre • Material: Herbicide Basagran (bentazon) @ 2.0 pint per acre • Material: Herbicide Assure II (quizalofop-p-ethyl) @ 10.0 ounce per acre • Material: crop oil @ 2.0 pint per acre

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