s:770:"TI Soil fertility management in semi arid areas of east and southern Africa AU Nyathi P AU Kimani S K AU Jama, B.A. AU Mapfumo P AU Murwira H K AU Okalebo J R AU Bationo A AB The Arid and Semiarid areas in Sub-Saharan Africa occur mainly around the latitude 10 -15 N IN west Africa and roughly 10 -30S in Southern Africa.In addition there is also a large arid and semi-arid region in The Horn of Africa and East Africa.Another largo dry region exist in South-Western and South-Estern Africa, consisting of semi-arid strip that runs roughly North and South inland in Namib Desert, eastwards in a broad belt through Botswana, and then south through the center of South Africa.Smaller semi-arid areas are also found in Zimbabwe,Mozambique and Madagascar. ";