The Effect of Slope Gradient on Soil Organic Carbon Concentration in the Jira Watershed, Tigray, Northern Ethiopia Post author:admin Post category:Original Research Article Post last modified:December 12, 2025 Authors: Guesh Assefa, , , , , , , , , , , , , , , , , , , DOI: https://doi.org/10.51470/ER.2025.7.2.230 [ HTML Full Text ] [ Abstract ] [ PDF ] [ XML ] Views Count: 200 PDF Downloads: 4