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Research Article
Vol. 29, Issue 1
Evaluation of Agronomic Performance of Maize (zea Mays L.) Under Different Rates of Npk Fertilizer Application in an Ultisol of Lafia, Nassarawa State
The study was carried out in Lafia, Nassarawa State with the view to determine the optimum fertilizer rate for maize production among the Ultisols. The hybrid maize, Oba super II was used as a test crop while commercial NPK (15:15:15) fertilizer at the rates of 0: 0: 0, 60: 30: 30, 90: 45: 45, 120: 60: 60 and 150: 75: 75 kg/ha representing 0.48, 0....