Summary of Research With Drift Reduction Nozzles
James L. Griffin, Professor
Agronomy Department
LSU AgCenter

Roundup UltraMax Efficacy as Affected by Nozzle Type and Spray Volume

Conclusion: ...Greenleaf AirMix® nozzles were equally effective in controlling weeds when applied in either 3 or 8 GPA, and control was no less than that obtained with the XR TeeJet® nozzle at 10 GPA

Overall conclusion: ...Roundup efficacy is not sacrificed when spray volume is reduced to 3 GPA with....Greenleaf AirMix® nozzles. However, when a standard XR TeeJet® nozzle is used, spray volume can be reduced to a point where weed control is sacrificed. Roundup application using XR TeeJet nozzles at 3 GPA resulted in reduced control of both barnyard grass and hemp sesbania. [Spray pressure - 30 psi (ground speed was varied to match the GPA)]

Monsanto AirMix® Test Data

Comparison Air Injection Tips to Flat Fans in RR Cotton

Compare weed control and crop tolerance with Roundup Ultramax applied with regular flat fan nozzles to air induction tips...

No significant differences were noted in weed control or crop safety with these tips.

*For complete test data, please contact Greenleaf Technologies

* XR TeeJet is a registered trademark of Spraying Systems Company.