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Conferences, seminars and workshops (Published) 
Ng, P.H.C., Chew, P.S., Goh, K.J., Gan, H.H. and Heng, Y.C. (2000) Planters toolbox in the 21st century. In: Pushparajah, E. (ed) International Planters Conference on Plantation Tree Crops in the New Millenium: The Way Ahead. Incorporated Society of Planters, Kuala Lumpur: 717-737

Ooi L.H., Tey S.H. and Ng H.C. 2001. Innovations to management practices in oil palm estates. Proc. National Seminar on Strategic Directions for the Sustainability of the Oil Palm Industry. Incorporated Society of Planters. Kota Kinablau, Sabah : 1-9.

AAR Internal Seminars and Field Days (Published) 
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Conferences, seminars and workshops (Presented) 
Goh, K.J., Kee, K.K., Chew, P.S., Gan, H.H., Heng, Y.C. and Ng, H.C.P. (2000) Concept of site yield potential and its applications in oil palm plantations. In: Oils and Fats International Congress 2000 (OFIC 2000), 4-8 September 2000, Malaysian Oil Scientists’ and Technologists’ Association (MOSTA) and Malaysian Palm Oil Promotion Council (MPOPC), Kuala Lumpur: Preprint.(Republished in Malaysian Oil Science and Technology Vol. 11 (2): 57 – 63)

Ng, P.H.C., Goh, K.J., Chew, P.S., Gan, H.H. and Heng, Y.C. (2002) Planter’s tools for FFB yield maximization. In: ISP Northeast Branch Seminar, 14th October 2002, Incorporated Society of Planters, Kuala Lumpur: Preprint.

Patrick Ng and KJ Goh (2003). Basic principles of fertilizer management in Miri-Bintulu Sarawak. In: MSSS Seminar on Managing Soils of the Miri-Bintulu area, Sarawak (8-11/12/03), Malaysian Society of Soil Science, Kuala Lumpur: Preprint.

Patrick Ng., Chew, P.S., Goh, K.J. and Kee, K.K. (1999). Nutrient requirements and sustainability in mature oil palms – an assessment. In: Seminar on Effective Fertilizer Management, ISP Johor Branch 10/3/99, Kluang, Johor: Preprint.(Republished in The Planter, K.L. 75 (880): 331-345)

Ng PHC, Gan HH and Goh KJ (2004) Soil nutrient changes in Utisols under oil palm in Johor, Malaysia. In: Oils and Fats International Congress (OFIC) 2004 in module on Agriculture, Biotechnology and Sustainability (AB), 29-9 to 2/10 2004, PWTC, Kuala Lumpur: Preprint.

Posters presented at conferences, seminars and workshops 
Ng PHC and Goh KJ (2004) Oil palm does not necessarily exhibit visual toxicity symptoms to excessive fertilizer application. In: Zakaria, Z.Z., Balasundram, S.K., Goh, K.J., Hanafi, M.H., Izham, A., Fauziah, C.I. & Halimi, M.S. (Eds). Proceedings of the Malaysian Society of Soil Science 2004, Malaysian Society of Soil Science, Kuala Lumpur: 121 – 123(Won the best poster award)

Ng P.H.C., Goh K.J., Gan H.H. and Zaharah, A.B. (2005). Impact of phosphate rock on P uptake and dry matter production of mixed legumes under oil palm in Malaysia. . In: Li, C.J., Oenema, O., Zhang, F.S., Peng, S.B., Dobermann, A., Rengel, Z., Hinsinger, P., Shen, Q.R., Lambers, H., Welch, R., Li, X.L., von Wiren, N., Marschner, P., Yan, X.L., Maene, L., Zhu, Y.G. and McGarth, S. (eds) In: Proc. XV International Plant Nutrition Colloquium on Plant Nutrition For Food Security, Human Health And Environmental Protection, Tsinghua University Press, Beijing, China: 1124-1125.

Newsletters, others 
Ng H.C.P. and Tan C. C. 2003. Towards the establishment of a good oil palm planting. Annual Report 2002. Royal Johore Planters’ Association : 22-30.

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