The project of stabilizing tali along Ho Chi Minh Highway (3,000 kilometers in total) spreading from Thanh Hoa to Kontum province is probably the most typical engineering method applied for road slope stabilization in Vietnam.
Erosion before planting vetiver
After 08 months of plantation
After only a few rains, the newly opened slopes were eroded and washed away severely (top) and Vetiver was planted for protection (bottom).
After 01 year of plantation
After 03 years of plantation
Some before and after images