Story: Soil investigation
Page 7. All images & media
From page 1 - First observations
From page 2 - Early investigations and bush sickness: 1900–1930
From page 3 - DSIR soil science: 1930–1950
From page 4 - Golden age of soil survey: 1951–1985
From page 5 - Changing role of soil science: 1986 onwards
How to cite this page
P. J. Tonkin, Soil investigation, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/story/5761/media (accessed 9 June 2026).
Story by P. J. Tonkin, published 1 March 2009.