Show Observation

User: Peter Hudy

Created on: 2011-05-03

Observation Date 2011-05-03

Comment:
Fertilized LTER Main Site Fertilized Gradient Study and the LTER Main Site Irrigated Fertility Gradient Study, all treatments and all replications (blocks 8, 6, 7, 5, 4, 2, 3, 1) with 0-0-60 Potash at 70 lbs/A. The 70 lbs/A provided 42 lbs/A K2O to the plots. The fertilizer was applied with the JD 7420(a) tractor traveling at approximately 4.0 mph (gear B3 at 1600 rpms) and Gandy Orbit-Air fertilizer applicator with a 30 ft boom, connected to a Raven 6000 monitor which controlled and monitored the application. 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 11 p.s.i.

Areas:
Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated

Observation Type:
Fertilizer Application

Activities:

Worker: Peter Hudy

Equipment: John Deere 7420a Tractor

Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-0-60 potash fertilizer @ 70.0 pound per acre

Attachments: