Effectiveness of White Lupin (Lupinus albus) and Chickpea (Cicer arietinum ) in Enhancing Phosphorus Release from Rock Phosphate Author/Editor(s): Lelei, J.J.Onwonga, R.N.Ouma, J.P.Date of publication: 2012RUFORUM Conferences and Workshops Read more about Effectiveness of White Lupin (Lupinus albus) and Chickpea (Cicer arietinum ) in Enhancing Phosphorus Release from Rock Phosphate