Effect of microbial formulation using phosphate solubilizing bacteria on the fresh weight of cocoa seedlings and leaf nutrients - Abd Samad, Mohd Yusoff; Raja Abdul Rahman, Raja Noor Zaliha; Salleh, Abu Bakar; Basri, Mahiran; Sulaiman, Zulkefly (Institute of Plantation Studies, Universiti Putra Malaysia, 2017)