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Research Article

Academia Journal of Agricultural Research 5(9): 207-217, September 2017
DOI: 10.15413/ajar.2017.0306
ISSN: 2315-7739
2017 Academia Publishing

Abstract

 

Investigation of cassava tuber physical characteristics and their relationships

Accepted 12th June, 2017
 

Ehindero Moses Jonathan

Kogi State Polytechnic, Lokoja, Nigeria.
 

This paper investigates cassava tuber characteristics with a view to inform researchers on the relationships that exist between these parameters, which may assist in designing an efficient and effective cassava peeling machine. Tubers were collected from different locations in Rivers and Abia States, Nigeria and the length, diameters at the head, mid-section and tail sections were measured as well as, peel thickness. The investigation revealed that an irregular relationship exist between the length and diameters at the different sections. However, the research also revealed that a polynomial of second order relationship exist between the diameter and peel thickness with a governing equation: y = -15.92x2 + 123.51x – 146.75, with R2 value of 0.8571. Tubers collected from part of Rivers and Abia fit into Fourier relationships in the MATlab code denoted as: y = 2.869 + 0.8025Cos(0.04878x) – 0.3073Sin(0.04878x), y = 3.003 + 0.2758Cos(0.0371x) – 1.006Sin(0.0371x) and y = 2.48 + 0.4703Cos(0.0895x) + 0.3684Sin(0.08985x) for the head, mid and tail sections respectively, with R2 values of 0.9449, 0.9556 and 0.9328 for the corresponding sections. A trial with polynomial of third order with same did not show any relationship of that order.

Key words
: Peel, relationships, thickness, tuber, cassava, diameter, length.
 

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.

Cite this article as:

Jinyemiema TK, Igboanugo AC, Ariavie GO (2017). Influence of surface and sub-surface drip irrigation methods on performance and yields of two tomato varieties. Acad. J. Agric. Res. 5(9): 207-217

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