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User: Ethan Rocklin
Created on: 2025-03-14
Observation Date 2025-03-14
Comment:
Fertilized LTER Main Site Winter Wheat plots T1, T2, T3, and T8nt (all reps) with mix of Urea (46-0-0) and Ammonium Sulfate (21-0-0-24) granular fertilizer. This was mixed 100 lbs each and applied at 200 lbs/A, providing 67 lbs N/ A and 24 lbs Sulfur/A, Density of this fertilizer mix was 55 lbs/cu ft.
T2 plots were fertilized on Wednesday 3/12/25 (reps 5, 3, 2, 4, 1, and 6).
T1 plots were fertilized on Thursday 3/13/25 (reps 1, 5, 6, 4, 3, and 2).
T8nt plots were fertilized on Thursday 3/13/25.
T3 (reps 5, 4, 2, and 1) were fertilized Thursday 3/13/25 and T3 (reps 3 and 6) on Friday 3/14/25, T3 prairie strips were not fertilized.
Application was done with JD 7420b and Gandy Orbit Air w/ 30' boom, at a speed of 4 mph. JD rate controller set to 200 lbs/A and Gandy fan pressure approx. 15 oz/in2.
Areas:
T1 T2 T3 T8nt
Observation Type:
Fertilizer Application
Activities:
Attachments: