Show Observation

User: Justin Mezo

Created on: 2019-03-29

Observation Date 2019-03-28

Comment:
Fertilized LTER Main Site winter wheat treatment T1, all replications 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 2.7 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 19 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level. Weather conditions at the start: 1:45 p.m. partly cloudy 60.5 degrees F, 6-8 mph west wind, 52.8 % humidity. Conditions at the end: 5:00 p.m. cloudy, 61.9 degrees F, 8-9 mph west, 50.2 % humidity.

Areas:
T1 T1_micro-plot

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)

Attachments: