TY - BOOK AU - Alona, Tunya Beldina TI - Effect of chick pea (cicer arientinum L.) and white lupin (lupinus albus L.) on phosphorus mobilization from minjingu phosphate rock, soil available n and sorghum yields in various cropping systems AV - S 517 .T86 PY - 2015/// CY - Egerton PB - [ Egerton University] KW - Crops And Soil ER -