Evaluation of Phosphate Rock Sources and Rate of Application on Oil Palm Yield Grown on Peat Soils of Sarawak, Malaysia

Zaharah Abdul Rahman, E.W. Gikonyo, B. Silek, K.J. Goh and Amin Soltangheisi

Journal of Agronomy 13 ( 1 ): 12 - 22 , 2014