00493nam a2200109Ia 450000500170000000800410001705000160005810000250007424502240009926000410032365000190036420251229172604.0251229s9999    xx            000 0 und d  a S 517 .T86  aAlona, Tunya Beldina 0aEffect 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 systemscTunya Beldina Alona  aEgertonb[ Egerton University]c2015  aCrops And Soil