Table 9 Mean annual soil loss Rate (t/ha/yr) in different slope classes in Suha watershed
Slope class (%) | Mean soil loss Rate (t ha−1 yr−1) | |||
|---|---|---|---|---|
1985 | 1999 | 2009 | 2019 | |
0–5 | 6.4 | 8.3 | 10.2 | 10.1 |
5–10 | 8.6 | 11.7 | 14.7 | 14.6 |
10–20 | 14.1 | 20.9 | 28.6 | 28.8 |
20–30 | 22.4 | 32.3 | 50.1 | 49.4 |
30–50 | 27.8 | 38.0 | 60.9 | 58.6 |
> 50 | 26.6 | 41.5 | 60.6 | 57.9 |
Over all mean (t/ha/yr) | 15.2 | 21.8 | 31.4 | 30.2 |