Preliminary compositional nutrient diagnosis for rubber tree in the humid forest zone of Cameroon Author/Editor(s): Njukeng Nkengafac, J.Elambo Nkeng, G.Ehabe Ejolle, E.Schnug , Ewalds.Date of publication: 2014RUFORUM Conferences and Workshops Read more about Preliminary compositional nutrient diagnosis for rubber tree in the humid forest zone of Cameroon