Science Buddies
Science Buddies: Dust Busters: How No Plow Farmers Try to Save Our Soil
In this environmental science fair project, students will build models of fields prepared by plow-based and no-till methods, and see which ones are best at retaining soil moisture and preventing surface runoff.
PBS
Pbs Learning Media: Organic Farming: Conserving Top Soil
Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil.