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| Publication Type:
| Refereed |
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| Author(s): | Giles-Townsend, L.;
Clarke, C.;
Elphinstone, D. |
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| Author Affiliation: | Giles-Townsend: Copt Health Golf Club, Knowle, Solihull, West Midlands; Clarke and Elphinstone: Myerscough College, Bilsborrow, Preston, Lancashire |
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| Title: | Effects of zeolite amendments on the nutrient retention of sand-based rootzones |
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| Section: | Soil biology & chemistry & plant nutrition
Other records with the "Soil biology & chemistry & plant nutrition" Section
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| Meeting Info.: | Llandudno, Wales, UK: July 10-15 2005 |
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| Source: | International Turfgrass Society Research Journal. Vol. 10, No. Part 2, 2005, p. 929-936. |
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| Publishing Information: | Aberystywth, Ceredigion, UK: International Turfgrass Society |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: Ions; Nitrogen; Potassium; Ammonium; Zeolites; Soil amendments; Nutrient retention; Sand-based root zones; Cation exchange capacity; Leachates
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| Trade Names: | ZeoPro; Sportslite |
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| Abstract/Contents: | "Sand dominated rootzones are fast draining with low cation exchange capacities (CEC), which results in poor nutrient retention capabilities. Zeolite is a natural alumino-silicate mineral amendment, with a high CEC to increase nutrient retention when added to a soil profile. The aim of this study was to compare the nutrient retention performance of a preloaded (ZeoPro) and an unmodified zeolite (Sportslite) amendment in sand rootzones (90:10 sand/zeolite (v/v)) compared to 100% sand sample when treated with a 4-3-12 fertilizer and an additional application of ammonium sulfate ((NH4)2SO4). The four replications of the three rootzone samples were repeatedly leached with distilled water after the initial nutrient treatment. The leachates were collected and analyzed for total nitrogen and potassium ions (K+). An (NH4)2SO4 solution was then added to the samples and eluted a further 10 times and leachates were analyzed. The overall findings suggest that high amounts of K+ and NH4+ are displaced from sand based profiles by additional applications of (NH4)2SO4. A sand/ZeoPro test mix was most effective at retaining high levels of K+ in soil columns, while sand/Sportslite mix was most efficient at retaining nitrogen ions at the expense of K+. Preloaded zeolite amended rootzones should receive lower additional nitrogen applications than unmodified zeolite amended rootzones taking into account NH4+ already present on exchange sites. These findings have implications for the sequencing and timing of fertilizer applications to turfgrass and provide a sound bases [basis] for further investigations into nutrient retention within amended rootzone profiles and plant-soil interactions." |
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| Language: | English |
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| References: | 23 |
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| Note: | Pictures, b/w
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Giles-Townsend, L., C. Clarke, and D. Elphinstone. 2005. Effects of zeolite amendments on the nutrient retention of sand-based rootzones. Int. Turfgrass Soc. Res. J. 10(Part 2):p. 929-936. |
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MSU catalog number: SB 433 .I52 v. 10 |
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