Oil palm yields in the absence of N and K fertilizers indifferent environments in Peninsular Malaysia, by H.L. Foster; Mohd Tayeb Hj Dolmat and Zin Z. Zakaria.
- Bandar Baru Bangi : Palm Oil Research Institute of Malaysia, 1985.
- 17 p. : ill.
- PORIM occasional paper; no 15 July 1985. .