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User: Justin Mezo
Created on: 2014-08-27
Observation Date 2014-08-27
Comment:
Fertilized the LTER Main Site treatment T6 alfalfa, all replications (reps 5, 3, 4, 2, 1, 6) with potash and boron. A total of 527 pounds of product was applied: 512 lbs/A of 0-0-60 potash which supplied 307 lbs/A of K2O and 15 lbs/A of 14% boron which supplied 2.1 lbs/A of B. The total amount of product was applied in two applications each being 263.5 lbs/A. Applications were made using a John Deere 7420 B traveling at 1.6 mph (A4 1300 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 64 lbs/cu ft; metering wheel 1 1/4" diameter (yellow); deflector spacing 22"; meter cal number 206; air pressure 13 p.s.i. Boom length 30ft, nozzles 16-24 inches above the ground level.
The first application across all replications was on Monday August 25, 2014 as well as the second application for reps (5, 3,). The second application for reps (4, 2, 1, 6) was completed on Tuesday August 26, 2014. Weather conditions on 8/25/14 at 8:10 a.m. 69 degrees F, 95 % humidity, winds calm out of the south east (end application 3:15 p.m.) Weather conditions on 8/26/14 at 9:30 a.m. were 74 degrees F, 86% humidity, winds 5 mph avg. out of the south. End application 2:20 p.m. 77 degrees F, 73% humidity, 8 mph avg out of the Northwest.
Areas:
T6
Observation Type:
Fertilizer Application
Activities:
Attachments: