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Rebafka, F P and Hebel, A and Bationo, A and Stahr, K and Marschner, H (1994) Short- and long-term effects of crop residues and of phosphorus fertilization on pearl millet yield on an acid sandy soil in Niger, West Africa. Field Crops Research, 36 (2). pp. 113-124. ISSN 0378-4290
Rebafka, F P and Hebel, A and Bationo, A and Stahr, K and Marschner, H (1994) Short- and long-term effects of crop residues and of phosphorus fertilization on pearl millet yield on an acid sandy soil in Niger, West Africa. Field Crops Research, 36 (2). pp. 113-124. ISSN 0378-4290