You can expect to lose at least 2-3% (1.5 Bu/Acre) of your yield due to wheel tracks. That works out to more than the cost of Application! If yield is your bottom line, the choice of Air vs Ground is CLEAR.

Thorough/Uniform Coverage on Entire canopy is achieved by "Pressure Differential" this occurs when high application speed is coupled with low pressure turbulence within ground effect = Higher Yields For You. more... See more text