Name: John Deere 5420 Tractor

2009-07-24 Mechanical Weed Control Crimped oats in between poplar trees with JD5420 tractor and a 5 1/2' front-mounted crimper cover crop roller [crimper] fabricated by I&J Manufacturing in Gap, PA.

2021-06-23 Mechanical Weed Control The Lely tine weeder was used on the west side of T4 R5. The weeder moved large amounts of residue into the alleyways and field edges. Because of this we decided the weed control method was ineffective. This was only used west of the prairie strip in T4R5 (No other reps received this treatment).

2021-06-23 Mechanical Weed Control The Lely tine weeder was used on the west side of T4 R5. The weeder moved large amounts of residue into the alleyways and field edges. Because of this we decided the weed control method was ineffective. This was only used west of the prairie strip in T4R5 (No other reps received this treatment).

2022-04-21 Herbicide Application Sprayed LTER Main Site Treatment T2 all replications (5, 4, 3,1,6and 2), for post emergence weed control in winter wheat. Plots sprayed with a tank mix of Ammonium Sulfate at 1 lb/A, Powerflex HL at 2 oz/A, Husky at 13.5 oz/A and Non-ionic surfactant at 0.25% v/v (2 qt/100 gal carrier). Time of application was 4:55 p.m. - 7:40 p.m. Three passes in the West end of Rep 2 remain unsprayed. Weather conditions 4:55 p.m. were clear, temperature was 62°F, 45% humidity 10-12 mph West wind. Weather conditions 7:45 p.m. were clear, temperature was 62.2°F, 42% humidity 10-13 mph West wind. Equipment used: JD 5420 tractor traveling 5 mph with a pull type Top Air Sprayer equipped with a hydraulic centrifugal sprayer pump and John Deere Rate Controller.