Full TGIF Record # 70807
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Shuman, L. M.
Author Affiliation:University of Georgia
Title:Fertilizer source and rate effects on phosphorus runoff from simulated golf fairways
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Minneapolis, MN: November 5-9, 2000
Source:2000 Annual Meeting Abstracts [ASA/CSSA/SSSA]. 2000, p. 150.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Fertilizers; Phosphorus; Nutrient retention; Surface runoff; Water quality; Golf fairways; Application rates; Phosphorus fertilizers; Golf courses
Abstract/Contents:"Because of public concern over possible water quality impairment from turf amendments, experiments were carried out to evaluate the potential movement of phosphorus following application to golf course fairways. Six runoff experiments included 3 rates of two fertilizer sources. The P rates were 0, 11, and 21 kg P/ha and sources were a 16-25-12 and superphosphate, both granular. The greatest runoff was at the first simulated rainfall event (5 cm) at 4 hours after treatment (HAT) in all cases and was decidedly less at 3 subsequent times. Evenly spaced, step-wise increases in P concentrations in runoff were found at the 4 HAT runoff event for both sources of P rates. Preliminary calculations show that 21 and 22% of the total P applied was found in the runoff water for the 11 and 21 kg P/ha rates, respectively, for the super-phosphate and 14 and 29%, respectively, for the 16-25-12. These differences were likely due to some differences in the volume of runoff for the different experiments. Results from runoff experiments indicated that a potential problem exists should P fertilizer be placed on fairways before a significant rain event, but judicial management could easily prevent most of this movement."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shuman, L. M. 2000. Fertilizer source and rate effects on phosphorus runoff from simulated golf fairways. Annu. Meet. Abstr. p. 150.
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