A vehicle configured to at least partially process harvested plant material and at least partially control any sparks, embers, and/or flames associated with the plant material, the vehicle comprising: a chassis (12, 14); a material processing unit (32, 34) supported by the chassis (12, 14) and configured to at least partially define a flow path for transporting the harvested plant material, wherein the material processing unit (32, 34) comprises a chamber having an interior space configured to contain the plant material; a harvesting apparatus configured to harvest the plant material and provide the plant material to the flow path, wherein in a direction along the flow path, the material processing unit (32, 34) is positioned downstream from, and spaced apart from, the harvesting apparatus; a pump (42, 44) supported by the chassis (12, 14) and configured to supply liquid fire suppressant under pressure when the pump (42, 44) is operated; a controller configured to initiate operation of the pump (42, 44); first and second nozzles (50, 54, 56, 66, 60, 62, 64) each mounted to the material processing unit (32, 34) and connected to the pump (42, 44) for receiving the liquid fire suppressant under pressure from the pump (42, 44) and discharging the liquid fire suppressant into the flow path, wherein the first nozzle (50, 54, 56, 66) is configured to discharge the liquid fire suppressant into the interior space of the chamber, characterized in that: the second nozzle (60, 62, 64) is mounted to a portion of a lower half of the material processing unit (32, 34) and configured to discharge the liquid fire suppressant at least sideways into a portion of a lower half of the interior space of the chamber, the first nozzle (50, 54, 56, 66) is configured to discharge the fire suppressant in a spray pattern having a central axis extending outwardly from the first nozzle (50, 54, 56, 66) in a first direction, the second nozzle (60, 62, 64) is configured to discharge the fire suppressant in a spray pattern having a central axis extending outwardly from the second nozzle (60, 62, 64) in a second direction, and the first and second directions are different from one another. a chassis (12, 14); a material processing unit (32, 34) supported by the chassis (12, 14) and configured to at least partially define a flow path for transporting the harvested plant material, wherein the material processing unit (32, 34) comprises a chamber having an interior space configured to contain the plant material; a harvesting apparatus configured to harvest the plant material and provide the plant material to the flow path, wherein in a direction along the flow path, the material processing unit (32, 34) is positioned downstream from, and spaced apart from, the harvesting apparatus; a pump (42, 44) supported by the chassis (12, 14) and configured to supply liquid fire suppressant under pressure when the pump (42, 44) is operated; a controller configured to initiate operation of the pump (42, 44); first and second nozzles (50, 54, 56, 66, 60, 62, 64) each mounted to the material processing unit (32, 34) and connected to the pump (42, 44) for receiving the liquid fire suppressant under pressure from the pump (42, 44) and discharging the liquid fire suppressant into the flow path, wherein the first nozzle (50, 54, 56, 66) is configured to discharge the liquid fire suppressant into the interior space of the chamber, characterized in that: the second nozzle (60, 62, 64) is mounted to a portion of a lower half of the material processing unit (32, 34) and configured to discharge the liquid fire suppressant at least sideways into a portion of a lower half of the interior space of the chamber, the first nozzle (50, 54, 56, 66) is configured to discharge the fire suppressant in a spray pattern having a central axis extending outwardly from the first nozzle (50, 54, 56, 66) in a first direction, the second nozzle (60, 62, 64) is configured to discharge the fire suppressant in a spray pattern having a central axis extending outwardly from the second nozzle (60, 62, 64) in a second direction, and the first and second directions are different from one another. the second nozzle (60, 62, 64) is mounted to a portion of a lower half of the material processing unit (32, 34) and configured to discharge the liquid fire suppressant at least sideways into a portion of a lower half of the interior space of the chamber, the first nozzle (50, 54, 56, 66) is configured to discharge the fire suppressant in a spray pattern having a central axis extending outwardly from the first nozzle (50, 54, 56, 66) in a first direction, the second nozzle (60, 62, 64) is configured to discharge the fire suppressant in a spray pattern having a central axis extending outwardly from the second nozzle (60, 62, 64) in a second direction, and the first and second directions are different from one another.