Research on Nature and Extent of Salt-affected Agricultural Soils in Ho – Keta Plain in the Volta Region of Ghana

Soil salinization is one of the primary environmental challenges that has a significant negative impact on long-term agricultural production. A study was done at the Ho-Keta plain in Ghana’s Volta Region to determine the amount of salt-affected agricultural soil deterioration. From Anyako, Anyenui, and Atiehife, two soil series, Oyebi and Ada, were selected in three salt-affected locations within the Lower Volta basin in the Ho-Keta plain. Soil samples were taken at random depths of 0-30 cm from various soil sites and brought to a laboratory for examination and measurement of pH (4.61), Calcium (5.60meq/l), Magnesium (3.17meq/l), Sodium (6.95meq/l), Potassium (1.83meq/l), and Electrical Conductivity (5.13dS/m). The Sodium Adsorption Ratio (SAR) and Exchangeable Sodium Percentage (ESP) were calculated using the mean values of Ca, Mg, Na, and K. In the three areas studied, the mean values of SAR and ESP were 43.89, 52.02, 42.85, and 33.87 percent, 40.77 percent, and 37.83 percent, respectively. The findings demonstrated that high levels of SAR and ESP caused land degradation in the research area, resulting in low soil chemical characteristics. The soil’s fertility was extremely poor, necessitating management measures that encourage the accumulation of organic matter. It is strongly suggested that more research be done to show the extent and type of the soils in the study area.

Author (s) Details


Mr. L. Sackey
Department of Analytical Services, Soil Research Institute, Kumasi, Ghana.

A. Sadick
Department of Analytical Services, Soil Research Institute, Kumasi, Ghana.

F. M. Tetteh
Department of Analytical Services, Soil Research Institute, Kumasi, Ghana.

E. O. Bennoah
Department of Soil Science, University of Ghana, Legon, Ghana.

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