Correlation analysis of Irrigation water quality parameters from Lake Bosomtwe in the Ashanti Region of Ghana

Volume 2, Issue 2, April 2017     |     PP. 11-23      |     PDF (527 K)    |     Pub. Date: April 26, 2017
DOI:    314 Downloads     7787 Views  

Author(s)

Adams Sadick, Analytical Services, Soil Research Institute, Kumasi, Ghana
Prince Charles Asante, Analytical Services, Soil Research Institute, Kumasi, Ghana
Emmanuel Dugan, Soil and Water Conservation, Soil Research Institute, Kumasi, Ghana
Jerry Asaana, Civil Engineering, Bolgatanga Polytechnic, Bolgatanga

Abstract
This paper assessed the suitability of water in Lake Bosomtwe at Ashanti Region of Ghana for irrigation purposes. A total of ten composite samples were taken from different parts of the lake and analyzed for Irrigation water quality parameters like sodium adsorption ratio, soluble sodium percentage, residual sodium carbonate and Kelly’s ratio and were calculated from Na+, Ca2+, Mg2+, K+, HCO3- and CO32-. Also, correlation analysis was done to determine the association between the parameters measured. The results showed that the parameters sodium adsorption ratio(SAR), soluble sodium percentage(SSP), residual sodium carbonate(RSC) and Kelly’s ratio(KR) had mean values of 18.47, 94%, 20.36 meq/l and 15.33 respectively and were not within the acceptable standards for irrigation. Sodium adsorption ratio strongly correlated positively with SSP (r = +0.753) and KR(r = +0.717) but negatively with RSC (r = -0.803), Ca2+ (r = -0.725), Mg2+, HCO3- (r= -0.830) and CO32- (r= -0.849). It also moderately correlated positively with Na+(r = +0.318) and K+ (r = +0.496). Based on the above results the Lake water was not suitable for irrigation and further assessment of the bacteriological quality parameters is recommended.

Keywords
Irrigation water quality, correlation, chemical parameters, Lake Bosomtwe

Cite this paper
Adams Sadick, Prince Charles Asante, Emmanuel Dugan, Jerry Asaana, Correlation analysis of Irrigation water quality parameters from Lake Bosomtwe in the Ashanti Region of Ghana , SCIREA Journal of Agriculture. Volume 2, Issue 2, April 2017 | PP. 11-23.

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