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Volume 3 Number 7 July 2017

Statistical Analysis on Effect of Organic and Inorganic Fertilizers for the Yield of Sorghum


Authors: Lasisi K. E. ; Abdulazeez K. A.
Pages: 45-50
Abstract
The study probed into the statistical analysis of the effect of organic and inorganic fertilizer on the yield of sorghum; which was carried out at Abubakar Tafawa Balewa University (ATBU) School Farm, Bauchi State. The study relied on secondary data from ATBU school farm structured using a single variety of sorghum at three level of organic (0, 1 and 2t/kg) and four level of inorganic (0, 15, 30, 45kgN/ha) fertilizer. Cow dung and NPK were sources of fertilizer used in the secondary data. SPSS version 20 software was employed to analyze the data obtained. Each variable considered was subjected to univariate analysis of variance (ANOVA) and comparison of the means by employing Duncan Multiple Range Test (DMRT). The result indicated that the effect of fertilization on yield and weight of sorghum were significant at p=0.001. Application of 45kgN/ha of NPK gave the highest yield of 3.6t/ha among sole application of NPK, while 1t/ha of cow dung recorded the highest yield (2.37t/ha) among sole application of cow dung. It was observed that a combination of 2t/ha of cow dung + 45kg/ha of NPK significantly (P=0.001) gave the highest yield of 4.4t/ha of sorghum. However, it was not significantly better than sole application of 45kg/ha of NPK and a combine application of 2t/ha of cow dung + 30kg/ha of NPK.  Similarly, 2t/ha of cow dung + 45kg/ha of NPK significantly gave the highest weight of 418kg/ha of sorghum.