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dc.contributor.authorStocker, Natalie Rose
dc.date.accessioned2012-04-17T02:37:53Z
dc.date.available2012-04-17T02:37:53Z
dc.date.issued2011
dc.identifier.urihttps://hdl.handle.net/10182/4420
dc.description.abstractLucerne (Medicago sativa L.) is a common pasture legume grown in New Zealand. Rotational grazing is recommended for ensuring stand production and persistence. However, during lambing set stocking ewes and lambs is the preferred management practice. Two grazing experiments were conducted to quantify the effect of spring grazing management treatments on animal and plant production with emphasis on the amount and composition of perennial (crown and root) dry matter. Rotationally grazed plots had an average yield of 15 t DM/ha. Mean annual liveweight production was reported as 1702 kg LW/ha/yr for all stock which grazed lucerne under a rotational regime for the 2010/11 season. Set stocked and semi set stocked mean annual liveweight production was 1452 and 1355 kg LW/ha/yr, respectively. Plant population was found to be 205/m² under in lucerne semi set stocked in spring. Water soluble carbohydrates in the crown portion of the root were higher under rotational grazing at 145 kg/ha. Values for set stocked and semi set stocked grazing were also different with 110 and 122 kg/ha for each treatment respectively. Set stocked and semi set stocked lucerne had liveweight production comparable to rotational during spring, however the management practices resulted in reduced perennial root reserves, and suggested reduced persistence of the stand in the long term.en
dc.language.isoenen
dc.publisherLincoln Universityen
dc.subjectalfalfaen
dc.subjectdrylanden
dc.subjectdry matteren
dc.subjectgrazing managementen
dc.subjectlucerneen
dc.subjectMedicago sativaen
dc.subjectperennial reservesen
dc.subjectpersistenceen
dc.subjectrootsen
dc.subjectrotational grazingen
dc.subjectset stocked sheepen
dc.subjectwater useen
dc.subjectweedsen
dc.subjectgrowth and developmenten
dc.titleThe effect of spring grazing management on yield, animal liveweight gain and root reserves of lucerne (Medicago sativa L.).en
dc.typeDissertationen
thesis.degree.nameBachelor of Agricultural Scienceen
lu.thesis.supervisorMoot, Derrick
lu.contributor.unitDepartment of Agricultural Sciencesen
dc.subject.anzsrc0703 Crop and Pasture Productionen
dc.subject.anzsrc0702 Animal Productionen


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