11 Agricultural irrigation systems generally including elongate conduit provided with water sprinklers, mechanical drivetrains, electronic guidance systems, antennas, capacitors, diodes, fuseholders, meters, rectifiers, surge-arrests, timers, transformers, couplers, gearboxes, motors, tires, electrical wire, cable, pumps, valves, filters, regulators, irrigation spray nozzles, sprinklers, fittings and structural members