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dc.contributor.authorPower, David R.en
dc.contributor.authorPollock, Keith M.en
dc.contributor.authorLucas, D.en
dc.contributor.authorMoot, Derrick J.en
dc.date.accessioned2012-05-31T03:26:37Z
dc.date.issued2006en
dc.identifier.citationPower, D. R., Pollock, K. M., Lucas, R. J. & Moot, D. J. (2006). Clover species cover on summer dry hill country in Central Otago. Proceedings of the New Zealand Grassland Association, 68, 343–347.en
dc.identifier.urihttps://hdl.handle.net/10182/4511
dc.description.abstractThe prevalence of annual clover species and white clover (Trifolium repens) during the critical late winter to early summer period (mid Aug – Dec) are compared in relation to aspect, altitude, temperature and rainfall on Mt Grand at Hawea Flat. Measurements were at four north facing sites (450, 620, 750, 910 m a.s.l.) and one shady site at 630 m a.s.l. The rainfall was similar for all altitudes and aspects but annual clovers dominated on sunny faces and the perennial white clover dominated on the shady face with suckling (T. dubium) the only adventive annual clover present. Annual cluster clover (T. glomeratum) dominated on the lower sunny faces at 450 and 620 m and sub clover (T. subterraneum) dominated at 750 m. Suckling and striated clover (T. striatum) were present on all sunny aspect sites and were unaffected by altitude while haresfoot (T. arvense) presence increased with altitude. Air thermal time accumulation for the mid Aug-Dec period was 1440 °Cd at the 450 m site and declined at 100 °Cd per 100 m of elevation (r² = 0.99). Thermal time at 910 m was <1000 °Cd and may limit seed production of some annual clover species at or above this altitude. The dominance of adventive annual clovers on the sunny aspects indicates areas that are probably suitable for introduction of improved annual species such as balansa clover (T. michelianum) or modern cultivars of sub. Productivity of perennial white clover which has persisted on the shady faces may be increased by more intensive grazing management.en
dc.format.extent343-347en
dc.language.isoenen
dc.publisherNew Zealand Grassland Association.en
dc.relationThe original publication is available from - New Zealand Grassland Association.en
dc.rightsCopyright © The Authors and New Zealand Grassland Association.en
dc.sourceProceedings of the New Zealand Grassland Associationen
dc.subjectrainfallen
dc.subjectaspecten
dc.subjectspring productionen
dc.subjectthermal timeen
dc.subjectcloveren
dc.subjectaltitudeen
dc.subjectdry hill pasturesen
dc.titleClover species cover on summer dry hill country in Central Otagoen
dc.typeConference Contribution - Published
lu.contributor.unitLincoln Universityen
lu.contributor.unitFaculty of Agriculture and Life Sciencesen
lu.contributor.unitDepartment of Agricultural Sciencesen
lu.contributor.uniten
lu.contributor.uniten
lu.contributor.unitSoil, Plants and Ecological Sciencesen
lu.contributor.unit/LU/SPES/PLANTen
pubs.finish-date2006-11-16en
pubs.notesPaper presented at the 68th New Zealand Grassland Association Conference, 14-16 November 2006, Dunedin.en
pubs.organisational-group/LU
pubs.organisational-group/LU/Agriculture and Life Sciences
pubs.organisational-group/LU/Agriculture and Life Sciences/AGSC
pubs.organisational-group/LU/Research Management Office
pubs.organisational-group/LU/Research Management Office/2018 PBRF Staff group
pubs.organisational-group/LU/SPES
pubs.organisational-group/LU/SPES/PLANT
pubs.publication-statusPublisheden
pubs.start-date2006-11-14en
pubs.volume68en
lu.subtypeConference Paperen


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