Subsoil acidity determines survival of lucerne on a highly acidic soil

Guangdi Li, Mark Conyers, Richard Lowrie, Graeme Poile

Research output: Other contribution to conferencePosterpeer-review

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Abstract

Lucerne (Medicago sativa) is one of most productive pe-rennial species in southern Australia. However, productivity is severely restricted under acid soils (Irwin et al. 2001). Fenton et al. (1996) reported that lucerne per-forms poorly if soil pH was below 5 and exchangeable aluminium was over 5%. It is estimated that there are 24 m ha of acidic subsoil in southern Australia (Dolling et al. 2001). A long-term liming experiment, 1992 to 2010, aimed to ameliorate subsoil acidity via a vigorous liming program (Li et al. 2001). This paper reports survival of lu-cerne during the 3rd cycle of the experiment from 2004 to 2009.
Original languageEnglish
Pages1411-1412
Number of pages2
Publication statusPublished - 2013
Event22nd International Grasslands Congress - Sydney, Australia
Duration: 15 Sep 201319 Sep 2013
http://www.internationalgrasslands.org/files/igc/publications/2013/proceedings-22nd-igc.pdf (Conference proceedings)

Conference

Conference22nd International Grasslands Congress
Abbreviated titleRevitalising Grasslands to Sustain our Communities
Country/TerritoryAustralia
CitySydney
Period15/09/1319/09/13
Internet address

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