References

Note: For references published by the New Zealand Department of Scientific and Industrial Research, Manaaki Whenua-Landcare Research, and the New Zealand Soil Science Society we added links to freely accessible, digital copies of these resources via the Digital Object Identifier (doi) system. If a publication was reprinted or had multiple editions, we decided to cite the version for which a digital copy was readily available; this was usually the most recent reprint/edition.

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Hartemink AE, Zhang Y, Bockheim JG, Curi N, Silva SHG, Grauer-Gray J, Lowe DJ, Krasilnikov P 2020. Soil horizon variation: A review. In: Advances in agronomy. Vol. 160. [place unknown]: Elsevier; p. 125–185. https://doi.org/10.1016/bs.agron.2019.10.003

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Hewitt AE 1987b. New Zealand Soil Classification (v. 1.0). Soil Resources Report SR15. Lower Hutt, New Zealand: Department of Scientific and Industrial Research. https://doi.org/10.7931/DL1-SRR-15

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Hewitt AE 1992a. New Zealand soil classification (v. 3.0). DSIR Land Resources scientific report 19. 1st ed. Lower Hutt, N.Z.: DSIR Land Resources. https://doi.org/10.7931/DL1-LRSS-1-1993

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Hewitt AE 1998b. New zealand soil classification. Landcare Research science series 1. 2nd ed. Lincoln, Canterbury, New Zealand: Manaaki Whenua Press. https://doi.org/10.7931/DL1-LRSS-1-1998

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