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Abstract
The main objective of this study was to explore the interactive influence of broiler litter and chemical nitrogen (N)–phosphorus (P) fertilizers placed with furrower and with disk + furrower on maize yield and soil chemical properties. The experiment consisted of two methods of fertilizer placements and seven fertilizer treatments conducted for two successive years under field conditions. Results showed that furrower method improved soil chemical properties and subsequently increased maize grain yield and dry-matter production compared with the disk + furrower method. The N and P levels in soil increased with the application of NP fertilizers and broiler litter. Soils amended with broiler litter and NP fertilizers had greater maize grain yield and dry-matter production than the control. In conclusion, furrower placement combined with the application of broiler litter and 20% of the optimum chemical NP fertilizers were the most efficient nutrient management practice for increasing maize performance in the studied area.