Year 2019, Volume 8, Issue 2, 94 - 109, 01.04.2019

Mulugeta TUFA Asmare MELESE Wondwosen TENA

https://doi.org/10.18393/ejss.510744

Cited By: 7

Abstract

Effects of land use types on selected soil physical and chemical properties: The case of Kuyu District, Ethiopia

Abstract

Information about effects of land use types on selected soil physical and chemical properties is essential in sustainable utilization of soil resources. Therefore, this study was conducted to evaluate effects of land use types on selected soil physical and chemical properties on Kuyu district, Ethiopia. Totally, 24 composite soil samples were collected from grass, cultivated, forest and grazing lands by two soil depths (0-20 cm and 20-40 cm) with three replications. The two way analysis of variance was used to test the mean differences of the soil physical and chemical properties. The highest mean values of sand and clay were recorded in cultivated and grasslands, respectively. The mean bulk density of the soils ranged from 1.10 and 1.37 g cm^-3 and the mean total porosity ranged from 48.2 to 58.7%, which indicated the less soil compaction.  The pH ranged from 7.68 to 8.00 while the mean values of OM ranged from 3.15 to 5.02%. However, the mean values of total N ranged from 0.18 to 0.26%. The mean value of available P ranged from 1.26 to 5.37 mg kg^-1, which implies that high deficiency of available P in the study area. The exchangeable basic cations and CEC values were within high to very high ranges in all land use types. Conversion of land use types from one to another has adverse effects on soil properties, especially overgrazing and cultivation of deforested land. Therefore, the proper soil and water conservation practice are important in the study area to enhance soil fertility and crop productivity.

Keywords

Cultivated land, forest land, grazing land, soil depth, soil fertility

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