Full TGIF Record # 304988
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Web URL(s):http://archive.lib.msu.edu/tic/ressum/2018/2018.pdf#page=156
    Last checked: 05/02/2019
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Author(s):Murphy, James A.; Chen, Hui; Genova, Kyle; Hempfling, James W.; Schmid, Charles J.
Author Affiliation:Department of Plant Biology, Rutgers University
Title:Effects of finer-textured topdressing sand on creeping bentgrass putting green turf
Section:Integrated turfgrass management
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Ecophysiology: Soil problems
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Source:Turfgrass and Environmental Research Program: 2018 Research Summaries. 2018, p. 148-169.
Publishing Information:[New York, New York]: The United States Golf Association Green Section
# of Pages:22
Keywords:TIC Keywords: Agrostis stolonifera; Coarse textured soils; Golf greens; Sand topdressings; Topdressing
See Also:Other Reports from this USGA research project: 2016-06-556
USGA Summary Points:Water infiltration was slowed by topdressing with sand that contained a greater amount of fine sand; however, core cultivation was capable of offsetting this effect and increased water infiltration rate. Topdressing produced a firmer surface compared to the non-topdressed control at both levels of cultivation. Firmer surfaces were observed on plots that received the greatest rate of mid-season topdressing and were core cultivated. The Clegg Soil Impact Tester indicated that differences in surface hardness among sand sizes were only evident under non-cultivated conditions; surfaces were softest when topdressed with the fine-medium sand Sand topdressing increased the mass-content of organic matter (kg/m2 ) in the mat layer; however, the organic matter concentration (% by weight) was decreased (diluted) by topdressing sand. The 100 lbs. topdressing rate increased the mass-content and decreased the concentration of organic matter more than the 50 lbs. rate. Core cultivation reduced both the mass-content and concentration of organic matter in the mat layer. Medium-fine and fine-medium sands increased the fineness of sand within the mat layer. However, surface wetness (VWC) of the medium-fine plots was very similar to medium-coarse plots; whereas, the fine-medium plots frequently had much greater surface wetness than the other sands. Core cultivation was very effective at decreasing surface wetness of non-topdressed plots as well as plots topdressed with fine-medium sand. Core cultivation reduced the normalized difference vegetation index (NDVI) values compared to noncored plots throughout 2018. Similarly, plots topdressed at 100 lbs./1,000-ft2 had lower NDVI values than plots topdressed at 50 lbs./1,000 ft2 through 2018. Thus, more aggressive management of thatch accumulation lowered vegetative cover
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Murphy, J. A., H. Chen, K. Genova, J. W. Hempfling, and C. J. Schmid. 2018. Effects of finer-textured topdressing sand on creeping bentgrass putting green turf. USGA Turfgrass Environ. Res. Summ. p. 148-169.
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    Last checked: 05/02/2019
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MSU catalog number: b3609415
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