“PHOSPHATE FERTILIZATION OF ACACIA MANGIUM: RESIDUAL OF VARIOUS P-FERTILIZERS AND EFFECT ON UPTAKE OF OTHER ELEMENTS”, JTFS, vol. 5, no. 3, pp. 361–371, Mar. 1993, Accessed: Oct. 12, 2025. [Online]. Available: https://jtfs.frim.gov.my/jtfs/article/view/1954