info:oai:icrisat:7495info:ofi/fmt:xml:xsd:journalKatayamaKKatayama, KItoOIto, OAdu-GyamfiJ JAdu-Gyamfi, J JRaoT PRao, T PDacanayE VDacanay, E VYoneyamaTYoneyama, TEffects of NPK fertilizer combinations on yield and nitrogen balance in sorghum or pigeonpea on a vertisol in the Semi-Arid TropicsSoil Science and Plant Nutrition0038-0768199945143-1501article