Full TGIF Record # 292536
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Web URL(s):https://archive.lib.msu.edu/tic/turfn/articles/1983janfeb13.pdf
    Last checked: 11/22/2017
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    Notes: Item is within a single large file; TurfNews [ASPA] reprint; Variant pictures
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Publication Type:
i
Professional
Author(s):Duble, Richard L.
Author Affiliation:Extension Turfgrass Specialist, Texas A&M
Title:Response of St. Augustine and bermudagrass turf to nitrogen
Source:Quarterly News Bulletin of the Southern Turfgrass Association. Vol. 17, No. 2, Summer 1982, p. 18-21.
Publishing Information:Memphis, Tennessee: Southern Turfgrass Association
# of Pages:4
Keywords:TIC Keywords: Application rates; Cold resistance; Color; Color evaluation; Cynodon; Cynodon dactylon; Cynodon dactylon x Cynodon transvaalensis; Density; Dry weight; Fertilizer evaluation; Growth; Growth analysis; Precipitation; Nitrogen fertilization; Nitrogen fertilizers; Stenotaphrum secundatum; Turfgrass establishment
Cultivar Names:Tifgreen
Abstract/Contents:Presents studies conducted to determine the response of St. Augustine and bermudagrass turf to nitrogen. States that "turfgrass response to nitrogen fertilizers is generally measure interms of yield (dry matter production), color or turf density. These are the responses that are most readily measured or observed." Also states that "bermudagrass readily responds to nitrogen in terms of growth, color and density...and [when] grass clippings are removed, bermudagrass produces a...response to nitrogen rates...as high as 20 pounds per 1,000 [square feet]." Mentions that when grass clippings are not removed from St. Augustine grass, it is much less responsive to nitrogen, showing "a yield response up to about eight pounds of nitrogen per 1,000 [square feet]." Discusses "undesirable responses to excessive rates of nitrogen," including greater water use, increased disease susceptibility, thatch accumulation, and root suppression. Also discusses the effect of nitrogen use on cold tolerance and grass establishment, stating that "lush, rapid growth that generally follows the application of soluable nitrogen fertilizers usually causes a decrease in cold tolerance...[but] during establishment from seed, sprigs or plugs, both bermudagrass and St. Augustine grass show a tremendous response to nitrogen fertilization." Lists the nitrogen sources used in the studies which include ammonium sulfate, methylene urea, Nitroform, IBDU and sulfur-coated urea." Results indicate that soluable nitrogen showed overall poor performance in the twice monthly color evaulations. Results also show that "initial greening response to the soluable nitrogen was superior to other materials...[and] color response to soluble nitrogen applications was the most variable of all the fertilizer treatments."
Language:English
References:0
Note:Reprint appears in TurfNews [ASPA], 6(1) January/February 1983, p. 13-14, 16-17, with variant pictures
Pictures, color
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Duble, R. L. 1982. Response of St. Augustine and bermudagrass turf to nitrogen. South. Turfgrass. 17(2):p. 18-21.
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Web URL(s):
https://archive.lib.msu.edu/tic/turfn/articles/1983janfeb13.pdf
    Last checked: 11/22/2017
    Requires: PDF Reader
    Notes: Item is within a single large file; TurfNews [ASPA] reprint; Variant pictures
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