Full TGIF Record # 141438
Item 1 of 1
Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Bowman, Daniel
Author Affiliation:Department of Plant Science, University of Nevada, Reno, Nevada
Title:The foliar absorption of urea, NH4+, and NO3- by perennial ryegrass turf
Source:HortScience. Vol. 24, 1989, p. 69-70.
Publishing Information:Alexandria, VA: American Society for Horticultural Science
# of Pages:2
Keywords:TIC Keywords: Foliar uptake; Urea; Ammonia; Nitrogen; Lolium perenne; Spraying; Application rates; Application methods; Nitrogen uptake
Abstract/Contents:"The absorption and assimilation of urea, NH4+, and NO3- applied to the foliage of perennial ryegrass (Lolium perenne L.) was evaluated under a controlled environment. Each form of N was spray-applied at 5 g N m-2 in 200 ml m-2 of deionized water. Uptake over a 48 hr period was estimated by a washing procedure to measure the urea remaining on the foilage, by the increase in total N in the ryegrass tissue, and by 15N analysis. Greatest absorption occurred during the first 12 hr, with a total 35 to 40% of the applied N absorbed by 48 hr. The shoots were the primary sink, although 15% of the absorbed N was translocated to the roots. Tissue data indicate that absorbed N is rapidly assimilated."
Language:English
References:0
Note:Reprint appears in Program and Abstracts: 86th Annual Meeting of the American Society for Horticultural Science, 1989, p. 69-70
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bowman, D. 1989. The foliar absorption of urea, NH4+, and NO3- by perennial ryegrass turf. HortScience. 24:p. 69-70.
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