PERFORMANCE OF THREE MAIZE VARIETIES AS INFLUENCED BY NPK FERTILIZER RATES AND INTRA-ROW SPACINGS AT SAMARU, NORTHERN GUINEA SAVANNA, NIGERIA . FJS [Internet]. 2024 Nov. 29 [cited 2025 Sep. 17];8(6):87-90. Available from: http://162.254.38.185/index.php/fjs/article/view/2743