Full TGIF Record # 276419
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DOI:10.1007/s11104-016-2917-y
Web URL(s):https://link.springer.com/article/10.1007/s11104-016-2917-y
    Last checked: 10/06/2017
https://link.springer.com/content/pdf/10.1007%2Fs11104-016-2917-y.pdf
    Last checked: 10/06/2017
    Requires: PDF Reader
Publication Type:
i
Refereed
Author(s):De Boer, H. C.; Deru, J. G. C.; Hoekstra, N. J.; van Eekeren, N.
Author Affiliation:Boer: Wageningen UR Livestock Research, WDWageningen; Deru, Hoekstra, van Eekeren: Louis Bolk Institute, LADriebergen, The Netherlands
Title:Strategic timing of nitrogen fertilization to increase root biomass and nitrogen-use efficiency of Lolium perenne L.
Source:Plant and Soil. Vol. 407, No. 1,2, October 2016, p. 81-90.
# of Pages:10
Publishing Information:Dordrecht, The Netherlands: Kluwer Academic Publishers
Keywords:TIC Keywords: Application frequency; Lolium perenne; Nitrogen fertilization; Nitrogen losses; Relative growth rate
Abstract/Contents:"Aims: During the first days after harvest of Lolium perenne L., N remobilized from roots and stubble forms the main N source for regrowth. Low N uptake from the soil during this period may lead to N loss if N fertilizer is applied too soon. Furthermore, temporary N deprivation has been found to stimulate root growth. We therefore hypothesized that a strategic delay in N application after harvest may improve N-use efficiency of L. perenne grassland by increasing root biomass and reducing N loss. Methods: In a laboratory and field experiment with L. perenne, we delayed N fertilizer application after harvest for 0, 3, 6, 9 and 12 days, repeated this for up to six harvest cycles, and determined effects on herbage yield, herbage N uptake and root biomass. Results: In both experiments, delaying N application for up to 12 days had no significant effect on root biomass or total herbage N uptake, but it significantly reduced total herbage yield in the laboratory experiment. Total yield tended to be highest when N application was delayed for 3 days. Two growth periods in the field experiment showed significantly higher N uptake when N application was delayed, possibly due to rainfall-induced N losses in the treatments with shorter delay."
Language:English
References:38
Note:Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
De Boer, H. C., J. G. C. Deru, N. J. Hoekstra, and N. van Eekeren. 2016. Strategic timing of nitrogen fertilization to increase root biomass and nitrogen-use efficiency of Lolium perenne L.. Plant Soil. 407(1,2):p. 81-90.
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DOI: 10.1007/s11104-016-2917-y
Web URL(s):
https://link.springer.com/article/10.1007/s11104-016-2917-y
    Last checked: 10/06/2017
https://link.springer.com/content/pdf/10.1007%2Fs11104-016-2917-y.pdf
    Last checked: 10/06/2017
    Requires: PDF Reader
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