Ibitola et al Greener Journal of Agricultural Sciences Vol. 9(2), pp. 189-198, 2019 ISSN: 2276-7770 Copyright ©2019, the copyright of this article is retained by the author(s) DOI Link: http://doi.org/10.15580/GJAS.2019.2.040219062 http://gjournals.org/GJAS Determinants of Maize Framers’ Productivity among Smallholder Farmers in Oyo State, Nigeria Ibitola O.R.; Fasakin I.J.; Popoola O.O.; Olajide O.O. Department of Agricultural Economics, University of Ibadan ARTICLE INFO ABSTRACT Article No.:040219062 Type: Research DOI: 10.15580/GJAS.2019.2.040219062 Smallholders farmer’s productivity has be declining due to many problems ranging from declining soil fertility to lack of basic inputs for their production. Hence, this study examined the determinants of Maize farmers’ productivity among smallholder Farmers in Oyo state Nigeria. A three stage sampling procedure was used to collect data from rural maize farmers in Lagelu Local Government area of Oyo state. Descriptive statistics, productivity analysis and Ordinary Least Square Regression Model were used to isolate the factors that affect maize farmers’ productivity in the study area. The socio-economic characteristics of the respondents showed that majority of them are male (68.3%), the age distribution showed that 56.1% are between ages 41-60 years, a very good productive age for maize production. Majority of the respondents are married (86.6%), while only 4.9% are youths, an obvious albatross to maize production in Nigeria, with less youth population in farming. The distribution of the Total factor productivity (TFP) indicated that, 72(50.7%) of the respondents having TFP <1, 58(40.8%) having TFP 1.01-2.00, 09(6.3%) and 03(2.1%) having TFP>2 and TFP=1 respectively. The result of double log production function showed that the coefficients of labour, farm size (hectares) are statistically significant at 1% p>1, while that of farming experience is significant at 5% (p>5), with positives coefficients. The adjusted R-squared of 0.8572 explained the coefficient of variation of the maize farmers productivity model. It’s recommended that farmers in the study area should be provided with tractors and other farm implements that can help increase their productivity, also increasing the farm size and land hectarage used for maize production should be prioritize. There is also the need to train the farmers adequately on new and improved farm practices; this will be like a boost to their experience in maize production. Submitted: 02/04/2019 Accepted: 05/04/2019 Published: 16/05/2019 *Corresponding Author Ibitola O.R. E-mail: bossytola@ gmail. com Keywords: Smallholders farmers; Productivity level; Maize production; Yield. 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