1. Australian and New Zealand guidelines for fresh and marine water quality. October 2000;ANZECC,2000
2. Cadmium in New Zealand’s agriculture and food systems;Abraham,2016
3. Trace Elements in the Terrestrial Environment;Adriano,1986
4. Anthropogenic additions of cadmium to soils;Alloway,1999
5. Methods for chemical analysis of soils;Blakemore,1987