Full TGIF Record # 324965
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142589
    Last checked: 01/26/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Zhang, Xunzhong; Goatley, James M.; Kosiarski, Kelly; Brown, Isabel; Hinson, John; Harvey, Rose; Goddard, Ben
Author Affiliation:Zhang: Presenting Author and Virgina Tech; Goatley, Kosiarski, Brown, Hinson, Harvey and Goddard: Virginia Tech
Title:Land application of class a biosolids impact on drought tolerance of tall fescue lawn
Section:Turfgrass and water conservation and management poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 142589.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Shortage of fresh water for turfgrass irrigation and frequent drought stress are major limiting factors for turf management in many regions. Exceptional quality (class A) biosolids are engineered to be used safely in urban landscape including home lawn. This research project was to assess the effects of application of exceptional quality (EQ) class A biosolids on drought resistance of tall fescue lawn, and examine the quality and physiological responses of turfgrass to EQ biosolids under drought stress and well-watered conditions. There were two irrigation regimes (0 evapotranspiration (ET) replacement and 80% ET replacement) and 5 biosolids-based treatments including: (1) Synthetic fertilizer control (152 lb N/A; CKN); (2) Biosolids blended with sand and sawdust to supply annual plant available nitrogen (PAN) rate of 152 lb/A (BBN), (3) Biosolids blended with sand and sawdust to supply an annual P rate (57 lb P/A) plus supplemental urea fertilizer to also provide 152 lb PAN/A annually for the entire treatment (BBP); (4). 'Bloom' biosolids to supply annual PAN at 152 lb/A (BION); (5) Spotsylvania compost to supply an annual PAN rate of 152 lb/A (SCN). A split plot design was used with irrigation as main plots and biosolids as subplots and with 4 replications. The treatments were applied to the mature tall fescue in June (1/2) and September (1/2) in 2021 and 2022. Irrigation was withheld from mid-June to mid-August to induce drought stress for the grass. Application of 'Bloom' class A biosolids and sawdust and sand blend (BBN), biosolids alone (BION), and compost (SCN) improved turf quality, photochemical efficiency, and antioxidant superoxide dismutase activity relative to the control (CKN) during drought, post-drought recovery period, and under well-watered conditions. The results of this study suggest land application of class A biosolids and compost may enhance drought tolerance and visual quality of tall fescue lawn."
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Zhang, X., J. M. Goatley, K. Kosiarski, I. Brown, J. Hinson, R. Harvey, et al. 2022. Land application of class a biosolids impact on drought tolerance of tall fescue lawn. Agron. Abr. p. 142589.
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    Last checked: 01/26/2023
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