One of our drip irrigation experts recently wrote an article for Progressive Forage Grower magazine about subsurface drip irrigation (SDI) for alfalfa and other field crops. The article introduces the origins and benefits of SDI, compares SDI to other irrigation technologies (such as gravity, sprinkler, and pivot irrigation), and presents recent SDI case studies.
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Continue readingAs the worst drought in 50 years gripped America’s farmland in the summer of 2012, and crop failure was rampant, three Nebraska producers reported increased soybean yields and significantly lower water use at the same time by using Subsurface Drip Irrigation (SDI) to deliver water and nutrients directly to the roots of their crops. This was in contrast to the typical practice of applying water to the surface with gravity or sprinkler irrigation systems. In addition to improved yields and resource use efficiency (RUE), other benefits cited included an improved ability to farm in drought conditions, improved flexibility and improved convenience. In each of these case studies, the producer found SDI a worthwhile investment.
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When Bob Thomas and his son Rob began farming in the Imperial Valley six years ago, they quickly recognized that there must be a better way to irrigate their alfalfa. They soon discovered that cutting-edge growers were successfully using drip irrigation instead of sprinklers or gravity irrigation. After diligent research, they installed their first 116 acres with Toro’s Aqua-Traxx® drip tape in September of 2009, and have experienced significant benefits since then.
