Useful literature on oil palm in general are found here.

Fairhurst, T.H. & Mutert, E.(1999) Introduction to Oil Palm Production. Better Crops International, Vol. 13, No. 1, 3-6. PDF

Ng, S.K., von Uexküll, H.R. and Härdter, R. (2003) Botanical Aspects of the Oil Palm Relevant to Crop Management. In: Fairhurst, T.H. and Härdter, R. (eds.) Oil Palm: Management for Large and Sustainable Yields. PPI/PPIC/IPI, Singapore, pp. 99-114.PDF