Show Observation

User: Peter Hudy

Created on: 2012-04-17

Observation Date 2012-04-17

Comment:
Fertilized LTER Main Site treatment T3, all replications (reps. 6, 1, 3, 2, 4, and 5) with potash (0-0-60) at 92 lbs/A. The 92 lbs/A potash provided 55.2 lbs/A K2O to the plots. The fertilizer was applied with the JD 7420(a) tractor traveling at approximately 4.8 mph, 1650 rpm travelling in gear C2; 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 70 lbs/cu ft; metering wheel 1 1/4” diameter (yellow); deflector spacing 22”; meter cal number 199; air pressure was 12 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above the ground level. Weather conditions: mostly sunny, temperatures 55 degrees F, winds 4 mph from northwest (10 minute average of 5 mph), 46% relative humidity, application time 2:00-4:30 p.m.

Areas:
T3

Observation Type:
Fertilizer Application

Activities:

Worker: Commercial Applicator
Equipment: John Deere 7420a Tractor
Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-0-60 potash fertilizer @ 92.0 pound per acre

Attachments:

Related Observations New observation Edit List Observations