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User: Peter Hudy

Created on: 2011-05-16

Observation Date 2011-05-11

Comment:
Sprayed the LTER Main Site Fertility Gradient Study, both irrigated and rainfed, and also the Lysimeter field, for preemergence weed control in corn. Lexar (S-metolachlor (+ safener) + atrazine + mesotrione) [EPA Reg. No. 100-1201] was applied at 3 qts/acre (7.01 L/Ha). For the Lysimeter field, the last pass to the N was centered on the alleyway between T4R6 and T6R6, which puts the N edge of the field 15 feet to the N of that centerline. Weather conditions: Sunny to partly sunny with air temperature of 80 degrees F (27 degrees C) at start. Relative Humidity was 55%. Wind was from NE at 5 mph. Time of application was 1:30 p.m. - 4:00 p.m. Equipment Used: JD 5220 tractor traveling 5.0 mph (gear C1, 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 psi were used. Water applied at 20 gals/A, (187 L/ha), was used as the carrier.

Areas:
LYSIMETER_FIELD Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated

Observation Type:
Herbicide Application

Activities:

Attachments: