International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


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Research Paper | Geophysics | Nigeria | Volume 5 Issue 6, June 2016


Electrical Resistivity Based Empirical Model for Predicting Cassava Plant (TMS 98/0505) Tuber Yield on Sandy-loam Soil

E. O. Joshua, A. O. Mokuolu


Abstract: This study examined the effectiveness of soil electrical resistivity (ER) as a tool for tuber yield prediction. Electrical Resistivity survey was conducted on sandy-loam soil from the soil surface at 0 0.3 m (ER30) and 0 0.9 m (ER90) depths using multi-electrode Wenner array and Miller 400D resistance meter. After ER survey, Cassava plants stem cuttings each 0.25 m long were planted on the soil using standard methods. Twelve 12 months after, tuber yield parameters number of cassava tuber (NT), average tuber length (TL) and tuber weight (TW) were measured on cassava plants whose soil ER has been measured. The results indicated that ER correlates insignificantly with NT (r = - 0.05) and TL (r = 0.04). ER90 also correlates insignificantly with TW (r = - 0.03) while ER30 correlates significantly with TW (r = - 0.84). Lower ER30 areas exhibited higher yield than higher ER30 areas. Soil ER30 between 250 and 500 m supports TW better than ER30 > 500 m. The relationship between ER30 and TW was best fitted to Lorentz (R2 = 0.85), Gauss (R2 = 0.84) and Boltzmann (R2 = 0.82) distributions.


Keywords: electrical resistivity, empirical model, sandy-loam soil, cassava tuber yield, wenner array


Edition: Volume 5 Issue 6, June 2016,


Pages: 1957 - 1963


How to Cite this Article?

E. O. Joshua, A. O. Mokuolu, "Electrical Resistivity Based Empirical Model for Predicting Cassava Plant (TMS 98/0505) Tuber Yield on Sandy-loam Soil", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=NOV164544, Volume 5 Issue 6, June 2016, 1957 - 1963

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