Abstract
Background and Objective: The use of organic fertilizers in soil usually upsurge the infection rate of mycorrhizal in a plant, thereby increases the nutrients content, uptake and promotes the vegetative growth of the host plant. This experiment was conducted to assess the influence of different organic fertilizers and mycorrhizal inoculation on Corchorus olitorius growth and yield in an Alfisol and Inceptisol in Nigeria.
 Materials and Methods: The experiment was set up at the screenhouse of the Department of Agronomy, Ibadan. 2 x 2 x 5 factorial experiment in a completely randomized design was conducted with two levels of soil (Alfisol and Inceptisol); two levels of mycorrhizal inoculation (with and without) and five levels of organic fertilizers (organic fertilizers; poultry manure, cattle manure, Moringa, Tithonia and control) in two-kilogram soil under three replications.
 Results: Soil supplemented with organic fertilizers significantly (p < 0.05) influenced the growth and yield of Corchorus olitorius. The height, leaf area and number of leaves of Corchorus olitorius in soil supplemented with organic fertilizers were significantly (p < 0.05) higher than control. Higher leaf area and number of leaves were obtained in C. olitorius influenced by mycorrhizal (+AM) than without mycorrhizal (-AM) under poultry manure application in Alfisol. Inceptisol without fertilizers and mycorrhizal inoculation was also high in the leaf area of C. olitorius compared to Alfisol corresponding treatment with about 31.1%. Number of leaves of C. olitorius without mycorrhizal (-AM) inoculation and Tithonia can be compared with mycorrhizal (+AM) inoculation and cattle manure at 7 weeks after transplanting in both soils. Plants height obtained was highest in C. olitorius grown in Alfisol without mycorrhizal and cattle manure with about 12.2% higher over Inceptisol. Shoots and roots observed under mycorrhizal inoculation were also significantly different from those observed without mycorrhizal inoculation in both soils under different fertilizers application.
 Conclusion: Integration of different fertilizer types (organic fertilizers and mycorrhizal inoculation) can be efficiently used as a suitable nutrient management system due to positive responses observed in this investigation.
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