NIGERIAN JOURNAL OF SOIL AND ENVIRONMENTAL RESEARCH
Volume No: 17|
Page No: 92 - 102
| FullText PDF
Title: Evaluation of gully erosion impact on soil quality development in
Fagoji, Kargo and Zai villages of Dutse, Jigawa State Nigeria
Usman, S., Mahmu,A. T. and Adinoyi, S.S.
DEPARTMENT OF SOIL SCIENCE,
FACULTY OFAGRICULTURE, FEDERAL UNIVERSITY, DUTSE, JIGAWA STATE, NIGERIA
The impact of gully erosion on soil quality development in three villages in Dutse was undertaken applying the USDA methodology to calculate the soil loss impact. The objective of the study was to evaluate the impact of gully erosion on soil quality development andto draw comparisons regardingits consequencesin the study sites for possible solutions. Concept of visual soil assessment (VSA) adapted by FAO was used for sites selection, and the physical conditions of the surface soil were classified based on texture, structure, vegetation, soil management practices, cropping systems, soil type and drainage function according to the guidelines in USDA-NRCS field manual. Four parameters namely: length, depth, width at top and width at bottom were measured to guide soil loss calculation and interpretation. The results showed that eroded soil volumes of 11591.52 m3 recorded at Fagoji is reasonably high than the soil volumes recorded at Kargo (5907.33m3) and Zai (3342.72m3). Correlation analysis indicates that there is a positive relationship between the soil conditions affected by gully erosion at Fagoji-Zai (0.774633*),and was negative between Zai-Kargo (-0.34556NS) and Kargo-Fagoji (-0.49436NS)accordingly. It is concluded that the affected sites required immediate managements for the control of gully erosion. The state government should provide a sustainable gully rehabilitation scheme for a regular identification of the affected villages for inclusion in the management plan.