Show Observation

User: Justin Mezo

Created on: 2019-04-09

Observation Date 2019-04-08

Comment:
Fertilized LTER Main Site winter wheat N-Rate study, treatment T3 all replications: (5, 4, 3, 2, 1, and 6), and west half of lysimeter field (weather station to the west that had NO WINTER WHEAT) with super phosphate (0-46-0), potash (0-0-60) and sulfur (0-0-0-85) blend at 355 lbs/A. Super phosphate was applied at 225 lbs/A providing 103.5 lbs/A of P2O5. Potash was applied at 100 lbs/A providing 60 lbs/A of K2O. Sulfur was applied at 30 lbs/A providing 25.5 lbs/A of sulfur. Weather at the start 11:30 a.m. partly cloudy 58.6 degrees F, 5-7 mph west winds, 76.7% humidity. Weather at 4:50 p.m. sunny 67.5 degrees F 5-7 mph west winds, 30 % humidity. Weather at 6:30 p.m. sunny 69.2 degrees F 6-8 mph west winds, 24.2 % humidity. Average speed while spreading was 1.7 mph with JD 7420b tractor 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 202; air pressure was 19 p.s.i.; Boom length 30 ft, nozzles 24-30 inches above ground level.

Areas:
LYSIMETER_FIELD Resource_Gradient-Irrigated Resource_Gradient_Non-Irrigated T3 T3_micro-plots

Observation Type:
Fertilizer Application

Activities:

Worker: Justin Mezo

Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-46-0 phosphate fertilizer @ 225.0 pound per acre • Material: Fertilizer 0-0-60 potash fertilizer @ 100.0 pound per acre • Material: Sulfur (0-0-0-85) @ 30.0 pound per acre

Equipment: John Deere 7420b Tractor (14.9 R 46 back tire size)

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