Full TGIF Record # 313758
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Web URL(s):https://archive.lib.msu.edu/tic/ressum/2020/2020.pdf#page=179
    Last checked: 08/05/2021
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Author(s):Murphy, James A.; Chen, Hui; Xu, Zhongqi
Author Affiliation:Department of Plant Biology, Rutgers University
Title:Topdressing sand size effects on mat layer development during treatment years 5 - 7
Section:Integrated turfgrass management
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Ecophysiology: Soil problems
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Source:Turfgrass and Environmental Research Program: 2020 Research Summaries. 2020, p. 171-179.
Publishing Information:[New York, New York]: The United States Golf Association Green Section
# of Pages:9
See Also:Other Reports from this USGA research project: 2020-03-708
USGA Summary Points:Work plans adjusted for COVID-19 restrictions were approved by Rutgers University in mid spring, which allowed the continuation of topdressing and cultivation treatments for a 5th growing season. The May cultivation treatment was re-scheduled for 6 April to avoid severe work restrictions. Re-scheduling to April reduced the time that coring holes were evident in late spring and early summer with cultivation in May; an April timing for core cultivation treatment will be employed in years 6 and 7 of the trial unless the TERC disagrees. Topdressing with all sand sizes produced acceptable turf quality; however, turf quality has typically been best on plots topdressed with fine-medium (finest) sand. To-date, improved turf quality has been attributed to the greater water availability in plots topdressed with fine medium sand. Wilt stress and mild localized dry spot developed in some plots during 2020. Wilt stress damage was greater on plots topdressed with coarser sand and at the highest (100-lb) rate of topdressing. Plots that were core cultivated also experienced greater wilt stress. These treatments are also effective at maintaining drier conditions at the 0- to 3-inch depth zone. Due to a strong differential in dryness and wilt stress among plots, a procedure to differentially hand-watering and document the frequency and quantity water applied was developed in 2020. The data is being assessed to determine whether the method was effective at quantifying differences in irrigation requirement among treatments. Presuming the methodology is effective, it will be continued in years 6 and 7 of this trial.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
2020. Topdressing sand size effects on mat layer development during treatment years 5 - 7. USGA Turfgrass Environ. Res. Summ. p. 171-179.
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    Last checked: 08/05/2021
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