Summary: Goh Kah Joo (GKJ)

GOH KAH JOO (GKJ)Contact Details :
Advanced Agriecological Research S/B, No. 11, Jalan Teknologi 3/6, Taman Sains Selangor 1,
Kota Damansara, 47810 Petaling Jaya, Selangor Darul Ehsan, Malaysia.
Tel : 603-6151 7924 / 5 / 6 / 7 / 8 / 9
Fax : 603-6151 7081
Email :
Personal Web Page : –
B.Sc. in Agriculture
University Pertanian Malaysia (UPM)
M.Sc. in Biological Computation (Distinction)
University of York, UK

Career Outline
1982 – 1983
University Pertanian Malaysia
1983 – 1986
Assistant Agronomist
Taiko Plantations S/B
1986 – 2004
Agronomist, Principal Research Officer and Section Head, Information Management Section
Applied Agricultural Research S/B
2004 – 2006
Agronomist, Principal Research Officer and Section Head, Information Management Section
Advanced Agriecological Research S/B
2006 – 2007
Agronomist, Deputy Head of Advanced Agriecological Research
Advanced Agriecological Research Sdn. Bhd.
2007 – 2011
Agronomist, Deputy Director of Research
Advanced Agriecological Research Sdn. Bhd.
2012 – Present
Director of Research
Advanced Agriecological Research Sdn. Bhd.

Job Description
My main job function is to provide sound agronomic advices on oil palm and cocoa to our Principals and their estates, and our advisory clients’ estates. Towards this end, I design, lead and/or conduct research on cocoa and oil palm agronomy, soil and plant nutrition, nutrient dynamics, soil and water conservation, and 3D model and visualization of oil palm growth and production. I also lead the team in soil survey and feasibility study. As Section Head for Information Management Section, I am responsible for strategic data and information management, development of a decision support system for plantation crop management, statistical and mathematical data analysis, applications of remote sensing, GIS and GPS in plantation management, spatial data analysis and interpretation, and web page development. I was also a consultant to Cenipalma on fertilizer recommendation system of oil palm. My overall mission is to assist the estate management achieves and maintains the site yield potentials at the lowest cost possible through ever better and latest management practices, taking into account the environment and land ecology.

Key Research Interests

My main interests are in soil and plant nutrition of plantation tree crops and its dynamics. I am also interested in the general agronomy and management of plantation tree crops. The research group uses mathematical, statistical and computational methods to understand the spatio-temporal relationships between the various agronomic and management factors affecting soil nutrient supply, plant nutrition, fertilizer use efficiency and fertilizer requirements. Tools such as remote sensing and GIS, and methods such as pattern recognition and artificial intelligience are also employed to investigate the above and develop techniques for large-scale assessments of the plant and management performances. The team has recently embarked on the study of water dynamics and water use efficiency in oil palm ecosystem, and the importance and dynamics of living green manure (and probably organic matter) in plantation tree crop management.

Lately, I have been involved in the measurement of greenhouse gases from forest, sago and oil palm ecosystems to further understand the impact of anthropogenic agricultural activities on the potential global climate change.

I welcome collaborative research in any of the above areas in tropical tree crops.

  • The traditional interpretation of soil and/or leaf analysis results cannot predict the optimal fertilizer regime for oil palm reliably, and the nutrient budget method to compute the fertilizer requirement of oil palm can lead to nutrient imbalance. Computation based on nutrient dynamics and plant nutrient balance is the key to optimal fertilizer regime for the perennial oil palm.
  • The CO2 emission from tropical peatland under forest ecosystem can exceed that under five years old oil palm.
Have led or directly involved in the development of the following products:
  • Fertilizer recommendation system for oil palm (INFERS)
  • Optimal planting system for Mucuna bracteata under oil palm in different environments
  • Site yield potential (ASYP) model of oil palm
  • Benchmark yield classification method for oil palm
  • Best months and timing of fertilizer application expert system
  • Expert system to classify soils in Peninsular Malaysia
  • Oil palm database, AA AeGIS
  • PDA system for data recording and visualization
Personal Details/Awards/Publications