Full TGIF Record # 324960
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142697
    Last checked: 01/26/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Sierra Augustinus, I. Alejandra; McLoughlin, Patrick; Arevalo Alvarenga, Andrea Fernanda; Schiavon, Marco
Author Affiliation:Sierra Augustinus: Presenting Author and FLREC; McLoughlin, Arevalo Alvarenga, and Schiavon: University of Florida
Title:Combined effect of water quality and nitrogen sources on warm-season grasses performance and N absorption
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. 142697.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Rapid urbanization has led to the search for alternatives to potable water irrigation for turfgrass areas. The objective of this study was to evaluate the effect of water quality (potable or reclaimed effluent water) and nitrogen sources (water-soluble or controlled-release) on 'CitraBlue' St. Augustinegrass [Stenotaphrum secundatum (Walter) Kuntze] and Celebration bermudagrass (Cynodon dactylon L. Pers.) performance. A greenhouse experiment replicated in time was conducted at the University of Florida's Fort Lauderdale Research and Education Center. Turfgrass was grown into 30.5-cm height x 15-cm diameter PVC lysimeters filled with 100% Mason sand. Irrigation with was applied twice per week at water holding capacity. Grasses were fertilized at the beginning of the experiment with 5 g N m-2 with either water-soluble [ammonium sulfate (NH4)2SO4 (21-0-0)] or 65% controlled release fertilizer (42-0-0) and compared to a non-fertilized control. Turfgrass quality and Normalized Difference Vegetation Index (NDVI) were assessed weekly over six weeks. Clipping samples were collected weekly, oven dried to determine dry weight and analyzed for N content via combustion. Celebration quality and NDVIs were higher when turf was fertilized, regardless of water and N source. CitraBlue performance was enhanced by controlled release fertilization. Non-fertilized CitraBlue did not achieve sufficient quality throughout the experiment. Leaves N content for both grasses was highest when fertilized with water-soluble fertilizer. Clipping yield differences were found only in Celebration, where water-soluble fertilizer harvested the highest yield. Generally, grass performance was influenced by N source rather than water quality. Results suggest that reclaimed effluent water can be used to irrigate warm-season grasses with no detrimental effect, however more research is needed to assess environmental implications when effluent water is used for turfgrass irrigation."
See Also:Related article, "Combined effect of water quality and nitrogen sources on Celebration bermudagrass performance and nitrogen absorption" Golf Course Management, 91(4), April 2023, p. 75, R=326728. R=326728
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Augustinus, I. A. S., P. McLoughlin, A. F. A. Alvarenga, M. Schiavon, I. A. Sierra Augustinus, and A. F. Arevalo Alvarenga. 2022. Combined effect of water quality and nitrogen sources on warm-season grasses performance and N absorption. Agron. Abr. p. 142697.
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