Research Report

Quantification of Cyanide and Major Nutrients of Soil around Cassava (Manihot esculenta C.) Processing Industries within Akure, Ondo State, Southwest Nigeria  

Olufemi Samson Salami , Akomolafe Olatunji Modupe , Olufemi-salami Folasade Kemisola
Department of Biology, Federal University of Technology, Akure P.M.B. 704, Akure Ondo state, Nigeria
Author    Correspondence author
Molecular Soil Biology, 2018, Vol. 9, No. 2   doi: 10.5376/msb.2018.09.0002
Received: 07 Dec., 2017    Accepted: 25 Dec., 2017    Published: 05 Jan., 2018
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Salami O.S., Akomolafe O.M. and Olufemi-Salami F.K., 2018, Quantification of cyanide and major nutrients of soil around Cassava (Manihot esculenta C.) processing industries within Akure, Ondo state, Southwest Nigeria, Molecular Soil Biology, 9(2): 12-17 (doi: 10.5376/msb.2018.09.0002)



The research work exploited the extent of cyanide pollution and major nutrients (elements) distribution in soils within three cassava processing industries in Akure metropolis, Ondo state Nigeria. The result of the research revealed that the top soil of cassava processing industries are richer in soluble cyanides than subsoil: the highest amount (118.85 mg/l) of soluble cyanide was obtained in the top soil of Igbatoro cassava processing industry while the subsoil of Aba-oyo cassava processing industry had the least soluble cyanide content of 82.906 mg/l. Trace of cyanide was also noticed in the well water of Igbatoro cassava processing industry that was sampled. The pH of the soils sampled followed a pattern that revealed that cyanide content determines the pH value of the soil to a large extent. The major nutrients distribution in the top and subsoils of the cassava processing industries revealed that nitrogen (N), phosphorus (P) and potassium (K) content of the cassava processing topsoils and subsoils were very high; nevertheless, the subsoils in the three industries are richer in N, P and K than the topsoils. Effluents from cassava industries increase soil nutrients and reduce pH.

Cyanide; Soluble cyanide; Soil nutrient; Effluent and pollution
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