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Aminuddin Hussin, . and K. B. Siva, . (1997) Determination of field soil phosphate of flooded rice soils using the iron oxide-impregnated strip. [Proceedings Paper]
K. B. Siva, . and Aminuddin Hussin, . and Ahmad Husni Mohd. Hanif, . (1997) Humid acid as NH3 volatilisation inhibitor for fertiliser urea. [Proceedings Paper]