Full TGIF Record # 79900
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Web URL(s):https://www.dl.sciencesocieties.org/publications/cs/articles/42/3/833
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https://www.dl.sciencesocieties.org/publications/cs/pdfs/42/3/833
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Publication Type:
i
Refereed
Author(s):Bowman, D. C.; Cherney, C. T.; Rufty, T. W. Jr.
Author Affiliation:Department of Crop Science, North Carolina State University
Title:Fate and transport of nitrogen applied to six warm-season turfgrasses
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 42, No. 3, May/June 2002, p. 833-841.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:9
Keywords:TIC Keywords: Nitrogen fate; Nutrient transport; Warm season turfgrasses; Cynodon dactylon; Cynodon transvaalensis; Eremochloa ophiuroides; Stenotaphrum secundatum; Zoysia Japonica; Zoysia tenuifolia; Ammonium nitrate; Nitrate losses; Root length density; Root distribution
Abstract/Contents:"A greenhouse study compared six warm season turfgrasses {common bermudagrass [Cynodon dactylon (L.) Pers.], 'Tifway' hybrid bermudagrass (C. dactylon X transvaalensis), centipedegrass (Eremochloa ophiuroides (Munro) Hack.), 'Raleigh' St. Augustinegrass [Stenotaphrum secundatum (Walter) Kuntze], 'Meyer' zoysiagrass (Zoysia japonica Steud.), and 'Emerald' zoysiagrass (Z. japonica X tenuifolia)} for NO3-N leaching and N use efficiency. Sod was established in sand-filled columns and managed under worst-case conditions to promote nitrate leaching. Ammonium nitrate was applied at 50 kg N ha-1 on seven dates, with the final application labeled with 15N. Leachate samples were collected and analyzed for NO3-N and NH4-N and clippings were analyzed for total N. Leaching losses were high following the first N application, ranging from 48 to 100% of the NO3-N and 4 to 16% of the NH4-N applied. Nitrate loss from subsequent applications was reduced substantially, while NH4 leaching was essentially eliminated. There were significant differences among species for leachate NO3-N concentration and cumulative N leached, with St. Augustinegrass being the most effective and Meyer zoysiagrass the least effective at minimizing NO3 leaching. Nitrogen recovery by the turf ranged from 63% for Meyer zoysiagrass to 84% for hybrid bermudagrass. Root length density (RLD) varied significantly among species at depths >30 cm, and was negatively correlated with NO3 leaching loss. These results document differences between the warm season turfgrasses for NO3 leaching potential, possibly related to root distribution, and emphasize that species selection is an important factor in minimizing environmental impacts from turfgrass management."
Language:English
References:24
Note:Summary appears in CSA News, 47(7) July 2002, p.13, with variant title "Species selection helps in minimizing nitrate leaching"
Reprint appears in North Carolina Turfgrass, volume 21, no.7, December/January 2004, p.18-22.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bowman, D. C., C. T. Cherney, and T. W. Jr. Rufty. 2002. Fate and transport of nitrogen applied to six warm-season turfgrasses. Crop Sci. 42(3):p. 833-841.
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Web URL(s):
https://www.dl.sciencesocieties.org/publications/cs/articles/42/3/833
    Last checked: 05/05/2017
    Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/cs/pdfs/42/3/833
    Last checked: 05/05/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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