Changing proportions of legumes and grasses during development of overgrown pastures in Otago tussock grasslands

abonos agrostis capillaris altitud altitude amendement calcique amendement du sol engrais enmiendas calizas enmiendas del suelo establecimiento de plantas feed legumes fertilizers festuca fosforo gramineae holcus holcus lanatus legumes leguminosas leguminosas forrajeras lime liming materials lotus corniculatus lotus uliginosus new zealand nueva zelandia oversowing phosphore phosphorus plant establishment population change population dynamics resiembra semis sous couvert soil amendments trifolium repens