Effects of Plant Residue and Urea Fertilizer Application on the Performance of Maize (zea mays l.) in Southwestern Nigeria

  • Osundare B
Keywords: Fertilizer, maize, plant residue.

Abstract

A two – year field experiment was conducted at the Teaching and Research Farm of the University of Ado – Ekiti, Nigeria, during 2006 and 2007 cropping seasons to evaluate the effects of plant residue and urea fertilizer application on growth and yield of maize (Zea mays L.). The experiment was laid out in a randomized complete block design, with three replications. The treatments included: control i.e. no plant residue addition, no fertilizer application (-PR-F ), plant residue with no fertilizer addition (PR), fertilizer application with no plant residue addition ( F ) and plant residue plus fertilizer application (PR + F). The results obtained indicated that there were significant differences (P ≤ 0.05) among the various treatments in growth and yield of maize. The two – year average values indicated that plant residue, urea fertilizer and their combination significantly increased maize leaf area from 0.52 m2/plant for –PR-F to 0.67, 0.80 and 0.91 m2/plant for PR, F, and PR+F, respectively. Similarly, plant residue, urea fertilizer and their combination significantly increased maize grain yield from 1.97 t ha-1 for –PR-F to 3.71, 4.62 and 5.90 t ha-1 for PR, F, and PR+F, respectively.

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