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User: Justin Mezo

Created on: 2015-04-23

Observation Date 2015-04-23

Comment:
April 7, 2015 Fertilized LTER lysimeter field with potash (0-0-60) at 200 lbs/A. The 200 lbs/A potash provided 120 lbs/A K2O to the field. Started from the West side and only fertilized to the weather station. Average speed while spreading was 3 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 68 lbs/cu ft; metering wheel 1 1/4" diameter (yellow); deflector spacing 22.5"; meter cal number 199; air pressure was 13 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level. April 23, 2015 Fertilized the LTER Lysimeter field from the weather station to the East with potash (0-0-60) at 150 lbs/A. This side received only 150 lbs/A instead of 200 lbs/A due to running short (plan to go back over with 50 lbs/A). The 150 lbs/A potash provided 90 lbs/A K2O to the field. Average speed while spreading was 3.4 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: Metering wheel 1 1/4" diameter (yellow); deflector spacing 22.5"; meter cal number 180; air pressure was 13 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level. Weather Conditions at 8:00 a.m. Cloudy 33 degrees F. 79% humidity, 7 mph North West wind. Weather Conditions at 12:15 p.m. cloudy, 36 degrees F. 57% humidity, 13 mph North West wind. April 24, 2015 Fertlized LTER Lysimeter field (where only 150 lbs/A was applied) with an additional potash (0-0-60) and Boron (10% B) at 50 lbs/A. There was 44 lbs/A potash applied to total 194 lbs/A on this section of the field. The 194 lbs/A potash provided 116.4 lbs/A K2O. There was 5.88 lbs/A of (10%) Boron mixed with the potash which provided .588 lbs/A of actual Boron.

Areas:
LYSIMETER_FIELD

Observation Type:
Fertilizer Application

Activities:

Worker: Justin Mezo
Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-0-60 potash fertilizer @ 200.0 pound per acre • Material: boron (B) @ 5.88 pound per acre
Equipment: John Deere 7420b Tractor (14.9 R 46 back tire size)

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