Oil Palm Bulletin No. 27 (November 1993) p8-13 Effect of sulphate fertilizer applications on leaf sulphur status of oil palm KHALID Haron , ZIN Z Zakaria View Full Article Download PDF version
Oil Palm Bulletin No. 13 (November 1986) p1 - 11 Volatilisation losses of nitrogen from urea applied to Malaysian soils Effect of granular size and soil properties H.L. Foster and Zin Z. Zakaria View Full Article Download PDF version
Oil Palm Bulletin No. 10 (May 1985) p1 - 9 Volatilisation losses of nitrogen from urea applied to Malaysian soils 1.Effect of application rate and the admixture of other fertilisers FOSTER, H L tan View Full Article Download PDF version