Effective Ways to Manage Soil Erosion in Loess Regions
Loess soils crumble under the first heavy rain if left bare. Their silty grains glue weakly, so slopes bleed sediment faster than any other landscape. Farmers on China’s Loess Plateau lose 20 t ha⁻¹ yr⁻¹, yet pilot plots cut that to 0.3 t with tactics described below. These methods scale from backyard berms to county-wide…