Alloway, BJ. 2008. Copper and zinc in soils: too little or too much? In: (Ed N. Kim) New Zealand Trace Elements Group conference. Hamilton. 10 p.
Cavanagh J. 2019. UPDATED User Guide: Background soil concentrations and soil guideline values for the protection of ecological receptors (Eco-SGVs) – Consultation draft. Envirolink Tools Grant: C09X1402. Prepared for Regional Waste and Contaminated Land Forum, Land Monitoring Forum and Land Managers Group. Update prepared for: Gisborne District Council. Landcare Research.
Drewry JJ, Cameron KC and Buchan GD. 2008. Pasture yields and soil physical property responses to soil compaction from treading and grazing: A review. Australian Journal of Soil Research, 46: 237-256.
Drewry J, Taylor M, Curran-Cournane F, Gray C and McDowell R. 2013. Olsen P methods and soil quality monitoring: are we comparing ‘apples with apples’? Accurate and efficient use of nutrients on farms. (Eds LD Currie and CL Christensen). Occasional Report No. 26. Fertilizer and Lime Research Centre, Fertilizer and Lime Research Centre, Massey University.
Drewry, J, Curran-Cournane, F, Taylor, M, and Lynch, B. 2015. Soil quality monitoring across land uses in four regions: implications for reducing nutrient losses and for national reporting. In: Moving farm systems to improved nutrient attenuation. (Eds LD Currie and LL Burkitt). Occasional Report No. 28. Fertilizer and Lime Research Centre, Massey University.
Hill RB and Sparling GP 2009. Soil quality monitoring. Land and soil monitoring: A guide for SoE and regional council reporting. Land Monitoring Forum, New Zealand, pp. 27-86. Soil Quality SoE monitoring programme: Annual data report 2017/18 PAGE 23 OF 39
Mackay A, Dominati E, and Taylor MD. 2013. Soil quality indicators: the next generation. Report prepared for Land Monitoring Forum of Regional Councils. AgResearch.
NZWWA. 2003. Guidelines for the safe application of biosolids to land in New Zealand. New Zealand Water and Wastes Association, Wellington.