II. Seedling establishment and plant survival

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Abstract
Seedling establishment and plant survival counts were made at 2, 4, and 15 months after 4 legume species were aerially oversown and hand-sown during June 1974 on sites at Ballantrae, the Grasslands Division hill country research station near Woodville. Establishment at 4 months was 7.6% from aerially sown seed and 7.9% from hand-sown seed. Seedling numbers from aerially sown seed were higher on north and south aspects than on wet areas, but legume species did not differ significantly. Percentage seedling establishment of hand-sown seed was highest on north aspects and lowest on wet areas and south aspects shaded during winter. Legume species again were not significantly different. Survival of oversown clovers was higher on north aspects and stockcamps and lotus persisted on south aspects only. Germination tests under controlled conditions at low temperatures showed ‘Grasslands Maku’ lotus to be inferior to clovers in this respect.

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