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User: Ethan Rocklin

Created on: 2025-06-18

Observation Date 2025-06-17

Comment:
Applied nitrogen (28% UAN) to corn in Lysimeter field "Starter Study". Application done with the FSC 28% applicator on 6/17/25 at 3:00 pm, at 40.2 gallons/A of 28% = 120 lbs Nitrogen. Application done with Clark 28% applicator on 6/18/25 at 8:30 am, at 40 gallons/A of 28% = 120 lbs Nitrogen. Below are the treatments: T1 No Fertilizer T7 Starter + Clark (150lbs) T13 No Starter + FSC (250lbs) T2 Starter only (30lbs) T8 Starter + Clark (170lbs) T14 No Starter + FSC (300lbs) T3 Starter + FSC (150lbs) T9 Starter + Clark (220lbs) T15 No Starter + Clark (150lbs) T4 Starter + FSC (170lbs) T10 Starter + Clark (270lbs) T16 No Starter + Clark (200lbs) T5 Starter + FSC (220lbs) T11 No Starter + FSC (150lbs) T17 No Starter + Clark (250lbs) T6 Starter + FSC (270lbs) T12 No Starter + FSC (200lbs) T18 No Starter + Clark (300lbs) Weather conditions on 6/17/25 at 4:00pm: 85.4°F Average wind speed: 5.87 mph from the West RH: 54.2% Weather conditions on 6/17/25 at 4:00pm: 72.3°F Average wind speed: 2.13 mph from the West RH: 79.9%

Areas:
LYSIMETER_FIELD

Observation Type:
Fertilizer Application

Activities:

Worker: Ethan Rocklin
Equipment: John Deere 7420b Tractor (14.9 R 46 back tire size)
Equipment: Fertilizer Applicator - 28% and/or Liquids (LTER Built) Six Row • Material: Fertilizer UAN 28% @ 40.2 gallon per acre
Equipment: John Deere 7420a Tractor
Equipment: Fertilizer Applicator - 28% and/or Liquids (Clark Built) Six Row • Material: Fertilizer UAN 28% @ 40.0 gallon per acre

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