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User: Justin Mezo

Created on: 2016-04-07

Observation Date 2016-04-05

Comment:
Fertilized LTER Main Site treatment T1, replications (5, 1 on April 5, 2016) conditions got to wet to continue so reps (2, 3, 4, and 6 were fertilized April 14, 2016) with MAP (11-52-0) and potash (0-0-60) blend at 275 lbs/A. MAP was applied at 175 lbs/A providing 19 lbs/A of N, and 91 lbs/A of P2O5. Potash was applied at 100 lbs/A providing 60 lbs/A of K2O. Average speed while spreading was 2.2 mph with JD 7420 B 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 201; air pressure was 15 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level. Due to wet conditions only replications 5 and 1 from T1 were fertilized on this day.

Areas:
T1

Observation Type:
Fertilizer Application

Activities:

Worker: Justin Mezo
Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-0-60 potash fertilizer @ 100.0 pound per acre • Material: Fertilizer 11-52-0 monoammonium phosphate fertilizer @ 175.0 pound per acre
Equipment: John Deere 7420b Tractor (14.9 R 46 back tire size)

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