Laberge, G and Haussmann, B I G and Ambus, Per and Hogh-Jensen, H (2011) Cowpea N rhizodeposition and its below-ground transfer to a co-existing and to a subsequent millet crop on a sandy soil of the Sudano-Sahelian eco-zone. Plant and Soil, 340 (1-2). pp. 369-382. ISSN 0032-079X