Sprinkling, as a method of irrigation, has been used for many years and in many parts of the world for the irrigation of nurseries, vegetables and special crops - crops which bring high return per unit of area. Last of the early systems were permanently installed spray lines. 3ince the introduction, in recent years, of lightweight tubing with quick couplers, the method has been extended to the irrigation of a wide range of agricultural crops. It is now rapidly assuming an important place among the methods of irrigation.