Ultisols & oxisols : enhancing their productivity for oil palm, rubber & cocoa cultivation - Shamshuddin Jusop; Che Fauziah Ishak (Serdang, Selangor : Penerbit Universiti Putra Malaysia, 2018)
Includes bibliographical references (page 109-115) and index.
Keywords: Soils -- Classification; Soils -- Composition; Ultisols