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Kōrero: Rock, limestone and clay

Sulfur for fertiliser

Image
Sulfur for fertiliser

This mountain of the yellow mineral sulfur sits at Dunedin’s fertiliser works at Ravensbourne. Only small amounts have been mined in New Zealand, and it is mostly imported. It is used to produce sulfuric acid, which is then used to manufacture the fertiliser superphosphate.

Te whakamahi i tēnei tūemi

Ravensdown Fertilizer

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Ngā whakaahua me ngā rauemi katoa o tēnei kōrero

Me pēnei te tohu i te whārang

Carl Walrond, Rock, limestone and clay – Phosphate, sulfur and pumice, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/photograph/5259/sulfur-for-fertiliser (accessed 24 June 2026).

He kōrero nā Carl Walrond, i tāngia i te 2 March 2009.