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User: Ethan Rocklin

Created on: 2023-07-03

Observation Date 2023-07-03

Comment:
Herbicide application to GLBRC G1 all reps(1, 2, 4, 5, 3), Bait Crop area (corn and soybean), LTER T8nt plots, LTER CE Study corn (CE1 and CE3), and planted area of the Lysimeter field. RoundUp Power Max 3 at 30 oz per acre and Ammonium Sulfate at 3.4 lbs per acre were applied post-emergence to control grass weeds. Application in the GLBRC began at 10:15 am and concluded in LTER at 12:45 pm. Rate of spray was 20gal/acre on JD rate controller. John Deere 7420b tractor was used instead of 5220 due to concerns over the current height of the corn. REI is 4 hours, safe re-entry on Monday July 3 at 4:45 pm. Weather at 10:15 am: Temperature: 70.8°F Wind Direction: Northeast Wind Speed: 5.98 mph Relative Humidity: 90.6% Weather at 12:45 pm: Temperature: 76.5°F Wind Direction: Northwest Wind Speed: 3.83 mph Relative Humidity: 73.0%

Areas:
CE1 CE3 G1 GLBRC_Trap_Crop_Area LYSIMETER_FIELD T8nt

Observation Type:
Herbicide Application

Activities:

Worker: Ethan Rocklin
Equipment: John Deere 7420b Tractor (14.9 R 46 back tire size)
Equipment: Top Air Sprayer • Material: Herbicide Roundup PowerMAX 3 @ 30.0 ounce per acre • Material: Ammonium sulfate (AMS) @ 3.4 pound per acre

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