Research Article
Evaluation of Phosphate Rock Sources and Rate of Application on Oil Palm Yield Grown on Peat Soils of Sarawak, Malaysia
Department of Land Management, University Putra Malaysia (UPM), Malaysia
E.W. Gikonyo
Department of Land Management, University Putra Malaysia (UPM), Malaysia
B. Silek
Department of Land Management, University Putra Malaysia (UPM), Malaysia
K.J. Goh
Department of Land Management, University Putra Malaysia (UPM), Malaysia
Amin Soltangheisi
Department of Land Management, University Putra Malaysia (UPM), Malaysia