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Agricultural Studies, Vol. 2, Issue 3, Jun  2018, Pages 11-19; DOI: 10.31058/j.as.2018.23012 10.31058/j.as.2018.23012

Investigation of Physico-Chemical Properties of Soils from Cassava Fields Infested with Root Rot Disease in the Selected Districts, Brong Ahafo, Ghana

Agricultural Studies, Vol. 2, Issue 3, Jun  2018, Pages 11-19.

DOI: 10.31058/j.as.2018.23012

Gabriel W. Quansah *1 , Susana Akrofi 2 , Emmanuel D. Boamah 2 , Adams Sadick 2

1 Soil Analytical Services, Csir-Soil Research Institute, Kwadaso, Kumasi, Ghana

2 Csir-Plants Genetic Resources Research Institute, Bunso, Ghana

Received: 30 December 2017; Accepted: 23 February 2018; Published: 10 May 2018

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Abstract

Cassava root rot is a serious threat to cassava production worldwide. It reduces yields and adversely affects the growth of the crop. Depending on the causal agent, host susceptibility, and the environmental conditions, entire fields can be lost to this disease. A research was carried out in the Nkoranza South, Sunyani West and Dormaa East districts of the Brong Ahafo Region of Ghana to assess the physico-chemical properties of soils from fields infested with cassava root rot disease. Composite soil samples were taken from infested and non-infested cassava fields at two different depths (0 – 20 cm and 20 – 40 cm). Samples from the non-infested fields served as control. The samples were transported to the laboratory for analysis of pH, organic matter, nitrogen, phosphorus, potassium, calcium and effective cation exchange capacity. Generally, the results showed low to moderate levels of plant nutrients in the soil samples from both the infested and non-infested cassava fields in the three districts of Brong Ahafo Region. Plant nutrients may be said to have been depleted and to increase cassava yields the major plant nutrients i.e. nitrogen, phosphorus and potassium should be increased by applying chemical fertilizers.

Keywords

Cassava, Root Rot, Disease, Districts, Fertilizers, Plant Nutrients

Copyright

© 2017 by the authors. Licensee International Technology and Science Publications (UK). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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