Show Observation

User: Joe Simmons

Created on: 2016-04-18

Observation Date 2016-04-16

Comment:
Fertilized LTER Main Site treatment T3 all replications: (5, 4, 3, 2, 1, and 6), and lysimeter field with super phosphate (0-46-0) and potash (0-0-60) blend at 350 lbs/A. Super phosphate was applied at 200 lbs/A providing 92 lbs/A of P2O5. Potash was applied at 150 lbs/A providing 90 lbs/A of K2O. Average speed while spreading was 2.0 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 64 lbs/cu ft; metering wheel 1 1/4" diameter (yellow); deflector spacing 22.5"; meter cal number 175; air pressure was 18 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level.

Areas:
LYSIMETER_FIELD T3

Observation Type:
Fertilizer Application

Activities:

Worker: Joe Simmons

Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-46-0 phosphate fertilizer @ 200.0 pound per acre • Material: Fertilizer 0-0-60 potash fertilizer @ 150.0 pound per acre

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

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