Full TGIF Record # 39613
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1996.tb02059.x/epdf
    Last checked: 10/02/2015
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Publication Type:
i
Refereed
Author(s):Thornton, B.; Millard, P.
Author Affiliation:Macaulay Land Use Research Institute, Craigbuckler, Aberdeen, UK
Title:Nitrogen uptake by grasses: changes induced by competing neighbor plants differing in frequency of defoliation
Source:Grass and Forage Science. Vol. 51, No. 3, September 1996, p. 242-249.
# of Pages:8
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Nitrogen uptake; Defoliation; Competition; Lolium perenne; Festuca rubra; Nutrients; Frequency of clip; Solutions
Abstract/Contents:"Nitrogen uptake can be modified by both frequency of defoliation and competing neighbour plants. The objective of this study was to investigate nitrogen uptake by Lolium perenne and Festuca rubra subject to weekly or monthly defoliation with five neighbours: either none, L. perenne clipped weekly, L. perenne clipped monthly, F. rubra clipped weekly or F. rubra clipped monthly. Plants were grown in sand culture with nutrients supplied as solutions. Nitrogen uptake over a 1-week period commencing at the time of a defoliation event was estimated using ¹5N as a tracer. L. perenne had greater dry weight and nitrogen uptake than F. rubra. Neighbours reduced nitrogen uptake per plant. When neighbours were present, clipping them more frequently resulted in greater uptake by sample plants. Over 57% of total plant uptake was partitioned towards the two youngest leaves. In mixtures of L. perenne with F. rubra, the percent-ages of the total pot dry weight and N content recovered in sample L. perenne plants increased when they were clipped less frequently, compared with when the accompanying F. rubra plants were clipped less frequently."
Language:English
References:37
Note:Tables
Figures
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Thornton, B., and P. Millard. 1996. Nitrogen uptake by grasses: changes induced by competing neighbor plants differing in frequency of defoliation. Grass Forage Sci. 51(3):p. 242-249.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1996.tb02059.x/epdf
    Last checked: 10/02/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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