Soil quality at a national scale in New Zealand.

@article{Sparling2002SoilQA,
  title={Soil quality at a national scale in New Zealand.},
  author={Graham Sparling and Louis A Schipper},
  journal={Journal of environmental quality},
  year={2002},
  volume={31 6},
  pages={1848-57}
}
New Zealand is a signatory to international conventions on environmental performance, and soil quality information is needed for reporting both at a national and regional level. Soil quality was measured at 222 sites in five regions of New Zealand (12 soil orders and 9 land-use categories). Topsoil (0-100 mm) properties measured were total carbon and nitrogen, potentially mineralizable N, pH, Olsen P, cation exchange capacity, bulk density, total porosity, macroporosity, and total available and… CONTINUE READING

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