Full TGIF Record # 203725
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DOI:10.2135/cropsci2011.04.0198
Web URL(s):https://acsess.onlinelibrary.wiley.com/doi/10.2135/cropsci2011.04.0198
    Last checked: 04/08/2024
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https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2135/cropsci2011.04.0198
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Publication Type:
i
Refereed
Author(s):Knight Huckaby, E. C.; Wood, C. W.; Guertal, E. A.
Author Affiliation:Dep. of Agronomy and Soils, Auburn Univ., Auburn, AL
Title:Nitrogen source effects on ammonia volatilization from warm-season sod
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 52, No. 3, May 2012, p. 1379-1384.
Publishing Information:Madison, Wisconsin: Crop Science Society of America
# of Pages:6
Keywords:TIC Keywords: Ammonia volatilization; Cynodon dactylon x Cynodon transvaalensis; Fertilization records; Fertilizer evaluation; Fertilizer trials; Methylene urea; Nitrogen; Oxalic acid; Polymer-coated urea; Urea; Warm season turfgrasses; Zoysia japonica
Abstract/Contents:"Ammonia (NH3) volatilization from fertilized turfgrass may represent a worst-case scenario: surface application without incorporation, especially if irrigation is not available. Although studied in field crop systems, field-scale losses of NH3 from turfgrass systems have received little study. Additionally, volatilization research with slow-release N sources is largely absent from the turfgrass literature. The objective of this study was to quantify NH3 volatilization from three N sources applied to warm-season turfgrass, using a field-scale mast system not yet evaluated in turfgrass settings. Treatments were applied to hybrid bermudagrass [Cynodon dactylon (L.) Pers. x Cynodon transvaalensis Burtt Davy] or zoysiagrass (Zoysia japonica Steud.) sod in October 2005, May 2006, and September 2006. Fertilizer treatments were urea (4600), methylene urea (4000), and polymer coated urea (4100) applied at a N rate of 146 kg ha-1. For 10 d NH3 was captured using a passive micrometeorological system of oxalic acid coated traps mounted on a rotating mast in the center of a 15 m diameter circular plot. In October 2005, NH3 volatilized from plots fertilized with urea was 11.7% of total N applied, which is significantly more volatilization than measured from plots receiving polymer coated urea. In May 2006 significantly more NH3 volatilized from plots fertilized with urea (11.7%) than from those fertilized with polymer-coated urea (3.6%). The 2006 studies had similar results, with significantly more NH3 volatilized from urea fertilized plots (average of 17.9%) than from plots fertilized with methylene urea (5.8%) or polymer-coated urea (4.4%).Of the three N sources, urea volatilized a greater proportion of applied N than the slow-release sources methylene urea and polymer coated urea."
Language:English
References:37
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Knight Huckaby, E. C., C. W. Wood, and E. A. Guertal. 2012. Nitrogen source effects on ammonia volatilization from warm-season sod. Crop Sci. 52(3):p. 1379-1384.
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DOI: 10.2135/cropsci2011.04.0198
Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.2135/cropsci2011.04.0198
    Last checked: 04/08/2024
    Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2135/cropsci2011.04.0198
    Last checked: 04/08/2024
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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