Utilization of phosphorus from different sources by genotypes of promiscuous soybean and cowpea in a low-phosphorus savanna soil
O. C. Nwoke1*, J. Diels1,3, R. C. Abaidoo1 and N. Sanginga2
1Soil Research Unit, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, c/o Lambourn, Carolyn House, 26 Dingwall Road, Croydon CR9 3EE, UK.
2TSBF-CIAT, ICRAF Campus, United Nations Avenue, P. O. Box 30597, Nairobi, Kenya.3Division of Soil and Water Management, Department of Land Management and Economics, K.U. Leuven, Kasteelpark Arenberg 20, 3001, Heverlee, Belgium.
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