MuhammadA.; ManiH.; IbrahimR.; BugajeS.; DaudaH.; SalehM. H.; MahmoudB. A.; Dalhat F. D. PERFORMANCE OF THREE MAIZE VARIETIES AS INFLUENCED BY NPK FERTILIZER RATES AND INTRA-ROW SPACINGS AT SAMARU, NORTHERN GUINEA SAVANNA, NIGERIA . FJS 2024, 8, 87 - 90.