Golf Course Management

JUN 2013

Golf Course Management magazine is dedicated to advancing the golf course superintendent profession and helping GCSAA members achieve career success.

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Products developed specifcally for golf course irrigation, such as Toro's Lynx Central Control System, have improved water distribution uniformity, among other advances. Photo courtesy of Toro "When you improve the uniformity of the irrigation system, you also improve the uniformity of the turfgrass playing conditions." — Bob Dobson 64 GCM June 2013 not really changing the way we irrigate but more so the convenience of how we irrigate," Dunn says. "Rapid communication and diagnostics allows a golf course superintendent to be in touch with his entire system in seconds either at his central control, his tablet computer or smartphone," agrees Paul Roche, national sales manager for Rain Bird Golf. The smartphone interface, a fairly new technology, will continue to evolve, says Dana Lonn, director of the Center for Advanced Turf Technology at The Toro Co. "As time goes on, we'll have more capability, the user interface will be better, and we will be able to use the app to scout and make adjustments in the feld, use it as a data collection source." Newfangled nozzles In the past, when irrigation companies built and designed products, often the heads weren't designed for the golf course environment. Rather, they were adapted from the residential market. Today, however, manufacturers develop products specifc to golf. This dedication to the golf course industry leads to innovations specifc to the needs of golf course irrigation. A new breed of nozzles is just one of those innovations. "It's now possible to have better distribution uniformity than you ever had. The more uniformly you can distribute the water, the less water you need to use," says Lonn. "Something that we came out with a few years ago … is called 'trajectory adjust,' where you can easily adjust the angle that the sprinkler head throws at and that allows you to compensate for wind or get under trees. As opposed to older sprinkler heads that had a fxed angle, it just gives you more fexibility. It's all about getting distribution uniformity dialed in." "When you improve the uniformity of the irrigation system, you also improve the uniformity of the turfgrass playing conditions," Dobson says. At the Golf Industry Show in San Diego, Hunter Industries unveiled its new G885 and G85B golf rotors that offer adjustable arc, true full-circle capabilities and dual trajectories. Rain Bird also recently released the 751 rotor that combines full and part-circle settings. A feature called Memory Arc allows the 751 to "remember" its part-circle setting. Toro's Lonn says the new breed of nozzles also produce a larger water droplet, which, he says, is key to irrigation effciency. "Large droplets make the water more effective because when we irrigate we really aren't irrigating the plants, we're putting water in the soil. Really small droplets blow in the wind and evaporate and never make it to the soil. Big droplets make it through the soil and provide water for the roots," Lonn says. Ease of maintenance is also something that has been built into new nozzles. Hunter Industries, for example, recently introduced a rotor design called Total Top Service (TTS). "With our TTS rotors, every serviceable component of the installed rotor can be ac-

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