Estimation of soil loss using remote sensing and GIS-based universal soil loss equation in northern catchment of Lake Tana Sub-basin, Upper Blue Nile Basin, Northwest Ethiopia

Environmental Systems Research

Table 6 P-factor values for land use groups on slope gradients (Shin 1999)

Land-use group	Slope (°)					Area ha (%)
Land-use group	0°–5°	5°–8°	8°–10°	10°–15°	> 15°	Area ha (%)
Dense forest, Grassland	1.0	1.0	1.0	1.0	1.0	31,981 (10.9)
Plantation forest, Shrub land, Perennial and Cash crops	0.55	0.6	0.8	0.9	1.0	79,963 (27.4)
Seasonal and yearly crops (Pulses), Crop fields (Teff, Barley, Wheat, Rice, Maize, Sorghum, Corn, etc.)	0.27	0.3	0.4	0.45	0.5	149,864 (51.3)
Built-up area, Bare rock, Bare soil	0.003	0.003	0.003	0.003	0.003	30,400 (10.4)