Golf Course Management

MAR 2015

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

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03.15 GOLF COURSE MANAGEMENT 85 The mean daily high and low tempera- tures were similar over the two experiments, but total rainfall during experiment 2 was ap - proximately three times greater than that dur- ing experiment 1 (Table 1). Fairway turf was established on a silt loam soil, mowed at a height of 0.6 inch (1.5 centi - meters). All areas were amended with phos- phorous and potassium based on annual soil tests. Nitrogen applications varied for each species as follows. Creeping bentgrass fairways were fertilized during the growing season with a combination of granular and biweekly foliar nitrogen applications for a total of 0.5 pound nitrogen/1,000 square feet (24.4 kilograms/ hectare). During the growing season, bermu - dagrass and zoysiagrass fairways were fertil- ized monthly with a granular nitrogen source. Rates were 1.0 pound/1,000 square feet (48.8 kilograms/hectare) for bermudagrass and 0.5 pound/1,000 square feet for zoysiagrass fair - ways. All turf areas were irrigated, as needed, to prevent drought stress. Digital images were taken at one, two, four and six weeks after treatment, using a framing technique that allowed a precise measurement of the turfgrass cover in the Figure 1. A creeping bentgrass fairway one day (top) and seven days (bottom) after fuel application for selected treatments. 1 day after fuel application B100 (32°) B20 (74°) untreated untreated PD (32°) PD (74°) 7 days after fuel application B100 (32°) B20 (74°) untreated untreated PD (32°) PD (74°)

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