Virginia Tech, Extension Service2019-10-192019-10-191944-06-24http://hdl.handle.net/10919/94794Effect of sub-surface tillage in reducing erosion. Foreground eroded is under plowed tillage. Blackground under sub-surface. Note lift up at junction.negative, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringStubble MulchErosion ControlSoil and Water ConservationBiological Systems Engineering, Virginia TechStill Image