Legumes like clover form root nodules that harbour bacteria known as rhizobia. Rhizobia convert atmospheric nitrogen gas to forms that plants can use. White clover is a common pasture species in Aotearoa New Zealand. It is nutritious feed for cows and it’s beneficial to soil fertility.
IMAGE: White clover nodules. © DairyNZ and The University of Waikato Te Whare Wānanga o Waikato.
