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| DOI: | 10.1007/s11104-016-2917-y |
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| 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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| Publication Type:
| Refereed |
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| Author(s): | De Boer, H. C.;
Deru, J. G. C.;
Hoekstra, N. J.;
van Eekeren, N. |
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| Author Affiliation: | Boer: Wageningen UR Livestock Research, WDWageningen; Deru, Hoekstra, van Eekeren: Louis Bolk Institute, LADriebergen, The Netherlands |
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| Title: | Strategic timing of nitrogen fertilization to increase root biomass and nitrogen-use efficiency of Lolium perenne L. |
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| Source: | Plant and Soil. Vol. 407, No. 1,2, October 2016, p. 81-90. |
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| Publishing Information: | Dordrecht, The Netherlands: Kluwer Academic Publishers |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Application frequency; Lolium perenne; Nitrogen fertilization; Nitrogen losses; Relative growth rate
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| 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." |
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| Language: | English |
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| References: | 38 |
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| Note: | Figures
Tables |
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| 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 |
| 
MSU catalog number: b2212822 |
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