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| Publication Type:
| Professional |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Lee, David J.;
Wollum, Arthur G.;
Bowman, Daniel C.;
Peacock, Charles H.;
Rufty, Thomas W. Jr. |
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| Author Affiliation: | Lee: Doctoral Student, Entomology Department, North Carolina State University; Wollum: Professor,Soil Science Department, North Carolina State University; Bowman: Associate Professor and Extension Specialist, Crop Science Department, North Carolina State University; Peacock: Professor, Crop Science Department and Coordinator, Turf Work Group, North Carolina State University, Raleigh, NC; and Rufty: Professor, Crop Science Department and Head, Turfgrass Environmental Laboratory, North Carolina State University |
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| Title: | Temperature effects on nitrogen mineralization from soil collected under managed bermudagrass turf |
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| Section: | Research: ITS summary
Other records with the "Research: ITS summary" Section
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| Source: | North Carolina Turfgrass. Vol. 18 [19], No. 6, October/November 2001, p. 39-40. |
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| Publishing Information: | Southern Pines, NC: The Turfgrass Council of North Carolina, Inc. |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Soil temperature; Nitrogen mineralization; Cynodon; Organic matter; Nitrogen; Ammonia; Environmental factors
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| Abstract/Contents: | "This study was conducted to determine temperature effects on ammonium release and to evaluate different release rates in three different soils under managed bermudagrass (Cynodon spp.). Soils included two Rimini sands with different OM levels and a Norfolk loam. Effects of temperature on ammonium release were isolated by providing excess amino acids as substrate and imposing a range of temperatures from 10° C to 42° C. The soils examined were collected from two managed bermudagrass sites in eastern North Carolina. The results indicate a series of three first-order reactions describing ammonium release at these temperatures. An optimum temperature range for ammonium release (2.0 to 3.0 (g g-1 hr-1) was between 28° C and 38° C. Reaction rates (<1.0 (g g-1 hr-1) declined rapidly outside the optimum range. Statistically similar linear regressions were fit to the data between 20° C and 36° C, which indicated that ammonium release rates for the different soils were similar. Data suggest that soil temperature can be one of the most important environmental factors affecting ammonium release. These results are necessary to model nitrogen behavior and make predictions to optimize fertilizer efficiency, thus conserving monetary and environmental resources." |
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| Language: | English |
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| References: | 0 |
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| Note: | Flow charts
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lee, D. J., A. G. Wollum, D. C. Bowman, C. H. Peacock, and T. W. Jr. Rufty. 2001. Temperature effects on nitrogen mineralization from soil collected under managed bermudagrass turf. N.C. Turfgrass. 18 [19](6):p. 39-40. |
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MSU catalog number: SB 433 .A1 N52 |
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