Total P and K in the tillage layer showed no significant correlation with slope length. Furthermore, on the medium slope, SOM, total N, and available N in the tillage layer had a significant (P < 0.05) correlation with slope length, with r values being 0.71, 0.69, and 0.84, respectively (Fig
Total P and K in the tillage layer showed no significant correlation with slope length. Furthermore, on the medium slope, SOM, total N, and available N in the tillage layer had a significant (P < 0.05) correlation with slope length, with r values being 0.71, 0.69, and 0.84, respectively (Fig
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