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User: Peter Hudy
Created on: 2012-05-21
Observation Date 2012-05-19
Comment:
Fertilized the LTER Main Site treatment T6 alfalfa, all replications (reps 6, 5, 4, 3, 2 and 1) with potash and boron. A total of 540 pounds/A of product was applied: 517 lbs/A of 0-0-62 potash which supplied 321 lbs/A of K2O and 23 lbs/A of 14% boron which supplied 3.2 lbs/A B. Applied in a single application of using the John Deere 7420a tractor traveling 1.3 mph (range A2, 1350 rpm) and a 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 13-14 p.s.i.; Boom length 30 ft, nozzles 16-24 inches above the ground level. Weather conditions: sunny, temperatures 72 degrees F, winds 5 mph from south, application time 11:30 a.m. - 6:30 p.m.
Areas:
T6
Observation Type:
Fertilizer Application
Activities:
Attachments: