Show Observation

User: Joe Simmons

Created on: 2007-07-18

Observation Date 2002-05-24

Comment:
May 24, 2002 Dual II Magnum, Callisto, and Atazine was applied preemergence to the corn in the European Corn Borer Study and the second Nitrogen Rate Study. Purpose of application: Control of annual grass and broadleaf weeds. This application was a broadcast preemergence herbicide. Dual II Magnum (S-metolachlor (+ safener)) was applied at 1.33 pts/A, (1.56 L/ha), total amount of Dual II Magnum used 7 pts (3.32 L). Callisto (mesotrione) was applied at 6 oz/A, total amount of Callisto used 30 ozs (0.89 L). Atrazine 4L (atrazine) was applied at l lb/A, total amount of atrazine used: 5 qts (4.74 L). Total area covered: 3.1 acres (1.26 hectares). Weather Conditions: Air temperature: 62 degrees F. Wind was out of the northwest at 0-8 mph, with an average of 3 mph. Relative Humidity: 52%. Time of application: 12:00 noon - 1:00 p.m. Equipment Used: JD 5220 tractor traveling 4.5 mph, gear B3 2000 rpm, with a pull type Top Air sprayer equipped with a PTO driven centrifugal sprayer pump and a Raven 440 automatic carrier control unit. Nozzles used: Turbo TeeJet 11003 spaced 15 inches apart with a total boom length of 30 feet. Application pressure: 12-14 psi. Carrier used: Water applied at 20 gals/A (187L/ha).

Areas:
ECB 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

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