Show Observation

User: Leon Thelen

Created on: 2022-05-02

Observation Date 2022-04-27

Comment:
Fertilized LTER Main Site winter wheat N-Rate study, with super phosphate (0-46-0), at 170 lbs/A. Super phosphate was applied at 170 lbs/A providing 78.2 lbs/A of P2O5. Application of RGE started at 5:45 P.M. and ended at 6:25 P.M. Weather during the application was 43.7 degrees F 7-8 mph Northwest winds, 49.1% humidity. Average speed while spreading was 3 mph with JD 7420b tractor and 30' Gandy Orbit-Air fertilizer applicator controlled by a Raven 6000 which monitored the application and automatically adjusted the metering rate for changes in ground speed. For the Gandy/Raven set-up, the following were used: Density 68 lbs/cu ft; metering wheel 1 1/4" diameter (yellow); deflector spacing 22.5"; meter cal number 202; air pressure was 19 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level.

Areas:
Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated

Observation Type:
Fertilizer Application

Activities:

Worker: Leon Thelen

Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-46-0 phosphate fertilizer @ 170.0 pound per acre

Equipment: John Deere 7420b Tractor (14.9 R 46 back tire size)

Attachments: