Unit 17: BlueJet AT3000 Sidedress Nitrogen Applicator w 12.4-38 Bias Posted on January 20, 2019 (January 20, 2022) by Alex Barrie in Compaction Test Results Datasheets Plot Comments This Unit had a high load on very narrow tires with high pressure.The plots show the variability in pressure across the face of the tread as it was difficult to consistently hit the sensor with the center of the tire.