Story: DSIR soil science: 1930–1950

How to cite this page

P. J. Tonkin, Soil investigation – DSIR soil science: 1930–1950, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/story/5784/media (accessed 20 June 2026).

Story by P. J. Tonkin, published 1 March 2009.