Morphological features of swamp soils within a coastal Landform: A case study of Ndokwa, Nigeria
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Abstract
A survey on the morphological features of swamp soils within a coastal landform was assessed. The result showed that Abbi pedons were very dark brown (10YR 2/3), Onicha Ukwuani pedons were dark grey-brown (10 YR 3/1) and Ndemili pedons were ash brown (10 YR 5/6) in colour. Dark yellowish brown (10YR 4/3) mottled were common across locations. The soil structures were sub-angular and medium sub-angular blocky structures within pedons. The consistency was non-sticky and non-plastic at the horizon’s surface while sticky and plastic were observed at the sub-surface soil layer. The textures across locations were inclusive of sand, clay, and loam. The soils ranged from wavy, smooth, irregular, diffused, abrupt, and gradual smooth boundaries. The soil characteristics such as soil colour, soil texture, and structure within 0-20cm and 20-40cm in surface soil layer showed variations across locations and the effects on soil fertility could be improved by good soil management, organic and inorganic fertilizer application.
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