Full TGIF Record # 333408
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Web URL(s):https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/150392
    Last checked: 12/01/2023
Publication Type:
Content Type:Abstract or Summary only
Author(s):Young, Audrey Anna; Henry, Gerald M.
Author Affiliation:Young: Presenting Author and Crop and Soil Sciences, University of Georgia-Athens, Athens, GA; Henry: University of Georgia-Athens, Athens, GA
Title:An in-situ evaluation of foliar nutrition and soil conditioners on athletic field performance and playability
Section:Turf management and ecology poster (includes student competition)
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C05 turfgrass science
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Meeting Info.:St. Louis, Missouri: October 29-November 1, 2023
Source:ASA, CSSA, SSSA International Annual Meeting. 2023, p. 150392.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Research was conducted in Athens, GA on a mature 'Tifway 419' hybrid bermudagrass sports field (3.2 cm) receiving traffic from university club sports (rugby, soccer, lacrosse, and ultimate frisbee). Treatments were initiated on June 8, 2017 and consisted of sequential (every 2 or 4 weeks) liquid applications of combinations of different nitrogen forms (urea, ammoniacal nitrogen, nitrate) plus macro (P, K, Mg, and Ca) and micronutrients (Cu, Fe, Mn, Zn, and B). Applications were made with a CO2 powered backpack sprayer equipped with four nozzles and calibrated to deliver 750 L ha-1 at 221 kPa. Plots (3 x 6 m) were arranged in a randomized complete block design with four replications. Soil moisture (% volumetric water content), soil compaction (penetration resistance, PSI), and plant health (NDVI) were measured with the Toro Precision Sense 6000 every two weeks. Shear strength and surface hardness were recorded at trial initiation and monthly thereafter with a shear strength tester (Nm) and a Clegg Impact Meter (G max), respectively. Traffic and wear had a negative impact on all plots regardless of treatment throughout the trial; however, some treatments resulted in greater tolerance to stress than others. At 14 weeks after initial treatment (WAIT), the lowest soil compaction (404 PSI), lowest surface hardness (96 G max), the highest NDVI (0.63), and the highest shear strength (11.5 Nm) was observed in response to 5 monthly applications (345 g N ha-1) of ammoniacal nitrogen and urea in rotation with 4 monthly applications (1,047 g N ha-1) ammoniacal nitrogen + nitrate + urea along with P, K, Ca, Fe, Mn, and Zn. Simultaneously, the non-treated check plots exhibited soil compaction of 439 PSI, surface hardness of 123 G max, NDVI of 0.57, and shear strength of 6.6 Nm 14 WAIT."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Young, A. A., and G. M. Henry. 2023. An in-situ evaluation of foliar nutrition and soil conditioners on athletic field performance and playability. Agron. Abr. p. 150392.
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    Last checked: 12/01/2023
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