Grass strips against soil erosion - video
Access Agriculture Training Video
Contour hedgerows slow the speed of water coming down the slope and allow the water to infiltrate. They also allow the washed away soil and nutrients to settle out above the hedgerows. You can plant many different grasses, depending on what you need and what is locally available.
Arabic Aymara Bambara Chichewa / Nyanja Chitonga / Tonga English French Khmer Kinyarwanda / Kirundi Kiswahili Lao Luganda Quechua Spanish Thai Tumbuka Vietnamese Yoruba