Show Observation

User: Jarrod Rhoades

Created on: 2025-04-17

Observation Date 2025-04-11

Comment:
Fertilized GLBRC Main Site treatment G2, G3, Sorghum Nitrogen North and South plots, Bait Crop area, GLBRC Rep 6 plots and Lysimeter field in the LTER it with potash (0-0-60) at differing rates based on soil test recommendations. Application rates were as follows: G2R1: 250 lbs/A potash = 150 lbs/A K2O G2R2: 300 lbs/A potash = 180 lbs/A K2O G2R3: 150 lbs/A potash = 90 lbs/A K20 G2R4: 210 lbs/A potash = 126 lbs/A K20 G2R5: 210 lbs/A potash = 126 lbs/A K20 G3R1: 250 lbs/A potash = 150 lbs/A K2O G3R2: 250 lbs/A potash = 150 lbs/A K2O G3R3: 200 lbs/A potash = 120 lbs/A K20 G3R4: 200 lbs/A potash = 120 lbs/A K20 G3R5: 150 lbs/A potash = 90 lbs/A K20 Sorghum Nitrogen Rate North and South, Bait Crop area, GLBRC Rep 6 and Lysimeter plots were all spread at a rate of 250 lbs/A Potash = 150 lbs/A K20. Application was done at 4 mph, C2 with 1100-1500 engine RPM. JD Dry Rate Controller CFR was .0155, density of potash was set to 60 lbs/cubic ft (All these settings saved in JD Rate Controller). Gandy air fan was at 15 ounces per square inch.

Areas:
G2 G3 GLBRC_Trap_Crop_Area LYSIMETER_FIELD Sorghum_Nitrogen_Rate_North_Experiment Sorghum_Nitrogen_Rate_South_Experiment

Observation Type:
Fertilizer Application

Activities:

Worker: Jarrod Rhoades

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

Equipment: Gandy Orbit-Air (30' boom) • Material: Fertilizer 0-0-60 potash fertilizer @ 0.0 pound per acre

Worker: Ethan Rocklin

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