Golf Course Management

SEP 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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research Soil salinity and quality of cool-season turfgrasses under sprinkler and subsurface drip irrigation Most cool-season grasses in an arid to semi-arid transition climate cannot maintain acceptable quality levels under saline irrigation. As the demand for potable water and the need for its conservation continue to grow, it is imperative that efforts be made to use nonpotable, recycled or other impaired water sources and to increase irrigation effciency to sustain quality and functionality of turfgrass areas. Although some studies have examined survival and performance of warm-season grasses under drip irrigation with saline water, similar information is scarce for cool-season grasses. New Mexico's climate is characterized as transitional semiarid to arid with wide seasonal and diurnal temperature fuctuations. Because of the cold winters, cool-season grasses are widely grown Elena Sevostianova, Ph.D. Bernd Leinauer, Ph.D. 76 GCM September 2013 and are commonly found on residential turf areas and athletic felds in New Mexico. Furthermore, almost all golf courses grow cool-season turf on greens, tees and fairways. A study was conducted at New Mexico State University to assess the effects of water quality and type of irrigation on root-zone salinity and turf quality of several cool-season grasses in the arid Southwest. Materials and methods The study was carried out at New Mexico State University's golf course in Las Cruces, N.M. (USDA Plant Hardiness Zone 8), from 2005 to 2007. The research site at New Mexico State University in Las Cruces, N.M., as it appeared after leveling and before installation of irrigation systems. Photos by B. Leinauer

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