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    Principal component analysis of soil parameters. by Wasihun Mengiste (22470304)

    Published 2025
    “…Beside the highest percentage of clay content (58.17%), TP (51.32%), pH (7.28), OM (3.52%), TN (0.21%), AV.P (26 ppm), exchangeable Ca (8.55 mg/l), Na (0.69 mg/l), K (0.43 mg/l), CEC (28.96 cmol (+) kg ⁻ ¹), PBS (56.44%), extractable Fe (15.78 mg kg ⁻ ¹), Mn (11.08 mg kg ⁻ ¹), and Cu (2.82 mg kg-1) were observed on the lower slope gradient, while, except for the sand fraction, BD, and extractable Zn, which are lowest on the lower slope gradients, all the above-listed parameters were lowest on the upper slope gradient. In terms of soil depth, the sand fraction, TP, Av. P, TN, CEC, OM, extractable micronutrients like Fe, Mn, Cu, and Zn decreased with increasing soil depth, while the clay content, BD, pH, and exchangeable bases like Ca, Mg, Na, and K were increased with increasing soil depth. …”
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