Nelson, Paul N., Webb, Michael J., and Berthelsen, Suzanne (2014) Soils and subduction: on the ring of fire, biosphere processes are directly influenced by asthenosphere processes. In: Abstracts from the National Soil Science Conference. From: National Soil Science Conference, 23-27 November 2014, Melbourne, VIC, Australia.

Nelson, Paul N., Webb, Michael J., Berthelsen, Suzanne, Curry, George, Yinil, David, and Fidelis, Chris (2011) Nutritional status of cocoa in Papua New Guinea. ACIAR Technical Reports, 76 . Australian Centre for International Agricultural Research, Canberra, ACT, Australia.

Nelson, Paul, Webb, Michael, Berthelsen, Suzanne, Curry, George, Yinil, David, Fidelis, Chris, Fisher, Myles, and Oberthur, Thomas (2011) Nutritional status of cocoa in Papua New Guinea. Better Crops with Plant Food, 95 (2). pp. 18-20.

Nelson, Paul, Rhebergen, Tiemen, Berthelsen, Suzanne, Webb, Michael, Banabas, Murom, Oberthur, Thomas, Donough, Chris R., Rahmadsyah, ., Indrasuara, Kooseni, and Lubis, Ahmad (2011) Soil acidification under oil palm: rates and effects on yield. Better Crops with Plant Food, 95 (4). pp. 22-25.

Nelson, Paul N., Berthelsen, Suzanne, Webb, Michael J., and Banabas, Murom (2010) Acidification of volcanic ash soils under oil palm in Papua New Guinea: effects of fertiliser type and placement. In: Proceedings of the 19th World Congress of Soil Science. pp. 8-11. From: 19th World Congress of Soil Science, 1-6 August 2010, Brisbane, QLD, Australia.

Nelson, Paul N., Webb, Michael J., Orrell, Ian, van Rees, Harm, Banabas, Murom, Berthelsen, Suzanne, Sheaves, Marcus, Bakani, Felix, Pukam, Otto, Hoare, Michael, Griffiths, William, King, Graham, Carberry, Peter, Pipai, Rachel, McNeill, Ann, Meekers, Petra, Lord, Simon, Butler, James, Pattison, Tony, Armour, John, and Dewhurst, Charles (2010) Environmental sustainability of oil palm cultivation in Papua New Guinea. ACIAR Technical Reports, 75 . Australian Centre for International Agricultural Research, Canberra, ACT, Australia.

Berthelsen, Suzanne, Webb, Michael J., and Nelson, Paul N. (2010) Limited movement of fertiliser-derived Mg and K through volcanic ash and alluvial clay soils of Papua New Guinea. In: Proceedings of the 19th World Congress of Soil Science. pp. 140-143. From: 19th World Congress of Soil Science, 1-6 August 2010, Brisbane, QLD, Australia.

Nelson, Paul N., Fidelis, Chris, Webb, Michael J., Berthelsen, Suzanne, and Yinil, David (2010) Nutrient status of cocoa (Theobromae cacao) in Papua New Guinea: results from a survey. In: Proceedings of the 19th World Congress of Soil Science. pp. 71-74. From: 19th World Congress of Soil Science, 1-6 August 2010, Brisbane, QLD, Australia.

Nelson, P.N., Banabas, M., Webb, M.J., Sheaves, M., Huth, N., McNeill, A., Koczberski, G., Berthelsen, S., and Orrell, I. (2010) Environmental sustainability indicators for oil palm in Papua New Guinea – conceptual framework for a research and development project. In: Agri-environmental Indicators Workshop, associated with the 2nd International Conference on Oil Palm and the Environment (ICOPE). From: Agri-environmental Indicators Workshop, associated with the 2nd International Conference on Oil Palm and the Environment (ICOPE), 23-27 February 2010, Bali, Indonesia. (Unpublished)

Nelson, P.N., Gillman, G.P., and Berthelsen, S. (2004) Cation retention properties of recent volcanic ash soils in Papua New Guinea. In: Papers from the 3rd Australian New Zealand Soils Conference. p. 1. From: 3rd Australian New Zealand Soils Conference SuperSoils 2004, 5-9 December 2004, Sydney, NSW, Australia.