We provide support services to the Southeast Asia Program of the International Plant Nutrition Institute to develop and implement best management practices in oil palm.  We have proved that our systematic and step-wise approach to yield improvement delivers large yield improvements with more focused management and small adjustments to inputs.
Fairhurst, T., Witt, C., Griffiths, W. and Donough, C. (2009) Best management practice in oil palm.  A practical guide to ecological yield intensification. IPNI, Penang, Malaysia.