A mobile, self-contained system for enhancing plant growth comprising: a mobile structure comprising a plurality of wheels so that the system can be moved; a vessel supported by the structure; a recirculating pump supported by the structure and exterior to the vessel, the pump having a first discharge line and a second discharge line; a generator supported by the structure; a vessel outlet from a bottom portion of the vessel to the pump; and an aerator for injecting air into the first discharge line; wherein the first discharge line extends from the pump directly into the bottom portion of the vessel, such that the contents of the vessel can be recirculated by the pump from the vessel outlet back into the vessel through the first discharge line and the second discharge line extends from the pump and is adapted for discharging contents of the vessel directly into an irrigation system.