Show Observation

User: Peter Hudy

Created on: 2010-04-21

Observation Date 2010-04-20

Comment:
Sprayed LTER Main Treatment T1, all replications (reps R1, R5, R4, R2, R3, and R6), for post emergence annual grass and broadleaf weed control in winter wheat. Plots sprayed with OSPREY herbicide at 4.75 oz/A, Preference non-ionic surfactant and anti-foaming agent at 2 qt/100 gal carrier, and Ammonium Sulfate (AMS) at 3 lbs/A. Time of application was 10 a.m. to 12:00 noon. Weather conditions were sunny, temperature was 54F to 59F at end, 50-35% relative humidity, winds out of south by southwest at 3-5 mph with 10 minute average of 2 mph. Equipment used: JD 5220 tractor traveling 4.6 mph (gear C1, 1450 rpm) with a pull type Top Air Sprayer equipped with a 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 (187 L/Ha) was used as the carrier.

Areas:
T1

Observation Type:
Mechanical Weed Control

Activities:

Worker: Commercial Applicator

Equipment: John Deere 5220 Tractor

Equipment: Top Air Sprayer

Equipment: TurboTeeJet 11003 Flat Fan Nozzle • Material: Herbicide Osprey Herbicide @ 4.75 ounce per acre • Material: Preference non-ionic surfactant and anti-foaming agent @ 12.8 ounce per acre • Material: Ammonium sulfate (AMS) @ 3.0 pound per acre • Material: H2O @ 20.0 gallon per acre

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