Full TGIF Record # 310847
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Web URL(s):https://archive.lib.msu.edu/tic/ressum/2019/2019.pdf#page=167
    Last checked: 04/17/2020
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Author(s):Murphy, James A.; Chen, Hui
Author Affiliation:Department of Plant Biology, Rutgers University
Title:Physical properties of creeping bentgrass mat layers formed with differing sand sizes
Section:Integrated turfgrass management
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Ecophysiology: Soil problems
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Source:Turfgrass and Environmental Research Program: 2019 Research Summaries. 2019, p. 159-180.
Publishing Information:[New York, New York]: The United States Golf Association Green Section
# of Pages:22
Keywords:TIC Keywords: Agrostis stolonifera; Coring; Dry sand; Performance; Root zone; Sand particle size; Sand texture
See Also:Other Reports from this USGA research project: 2019-01-671
USGA Summary Points:Topdressing with medium-fine and fine-medium sands increased the fineness of sand within the mat layer, which explains the slower water infiltration of plots topdressed with sands containing a greater amount of fine sand. The much greater fine sand content in the mat layer of plots topdressed with fine-medium sand explains the greater capillary porosity measured in the mat layer of those plots as well as the wetter plots surfaces (VWC) observed during 2019. Core cultivation was capable of offsetting the effects of topdressing with finer sands. Water infiltration rate was increased by core cultivation and backfilling with a medium-coarse sand. Additionally, the surface wetness of plots was significantly drier on plots that were core cultivated. The organic matter concentration (% by weight) was decreased (diluted) by topdressing; however, mass-content of organic matter (kg/m2) in the mat layer was either increased or unchanged by topdressing. Core cultivation reduced both the concentration and mass-content of organic matter in the mat layer. Vegetative cover of plots (normalized difference vegetation index [NDVI]) was lower on core cultivated plots compared to non-cultivate during 2019. Similarly, plots topdressed at 100 lb/1,000-ft2 had lower NDVI values than plots topdressed at 50 lb/1,000 ft2 during 2019. Thus, vegetative cover was lower under more aggressive management of thatch accumulation with core cultivation and topdressing.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Murphy, J. A., and H. Chen. 2019. Physical properties of creeping bentgrass mat layers formed with differing sand sizes. USGA Turfgrass Environ. Res. Summ. p. 159-180.
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    Last checked: 04/17/2020
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MSU catalog number: b3609415
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