Story: Soil investigation

Soils and teeth

Once the soil survey of the North Island was completed, in 1942, it was possible to relate soil type to other factors. This newsreel clip shows how tooth decay appeared to be related to local variations in soil type.

Using this item

Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: Pictorial Parade 53, National Film Unit, 1956

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How to cite this page:

P. J. Tonkin, 'Soil investigation - Golden age of soil survey: 1951–1985', Te Ara - the Encyclopedia of New Zealand, (accessed 1 July 2022)

Story by P. J. Tonkin, published 24 Sep 2007