Abstract: A system comprises a distribution boom having dispensers spaced apart along the distribution boom, a first storage container that contains an agricultural product dispensed using the distribution boom, a pump device that provides a flow stream of the agricultural product to the distribution boom, a second storage container that contains a cleaning agent, a plurality of directional control valves that alter a path of the flow stream including selectively supplying one of the cleaning agent or the agricultural product to the flow stream, and a control module in electrical communication with the pump device, the plurality of directional control valves and a user interface. The plurality of directional control valves are individually controllable by the control module according to an indication received via the user interface.

Abstract: The invention provides an apparatus and method for enabling at least a minimum pressure and flow rate of stored NH3 from a storage tank to knives for injection into soil, regardless of ambient temperature. A pressure sensor and control valve monitors the pressure of the NH3 flow. If the sensed pressure drops below a desired minimum, e.g., 0.5 psi, a controller drives the control valve to open and also signals ramping up of a boost pump. The boost pump pumps NH3 from the storage tank to ensure maintenance of a minimum flow rate and pressure of NH3 from the tank to the soil. The pump runs on-demand only as needed, thereby reducing power requirements when the pump is not needed to supplement NH3 tank pressure.

Abstract: The invention provides an apparatus and method for enabling at least a minimum pressure and flow rate of stored NH3 from a storage tank to knives for injection into soil, regardless of ambient temperature. A pressure sensor and control valve monitors the pressure of the NH3 flow. If the sensed pressure drops below a desired minimum, e.g., 0.5 psi, a controller drives the control valve to open and also signals ramping up of a boost pump. The boost pump pumps NH3 from the storage tank to ensure maintenance of a minimum flow rate and pressure of NH3 from the tank to the soil. The pump runs on-demand only as needed, thereby reducing power requirements when the pump is not needed to supplement NH3 tank pressure.