Virginia Tech, Extension Service2019-10-192019-10-191950-04-27http://hdl.handle.net/10919/94777General view of B-5 Area - Blacksburg Trials - 1944. Disc - foreground; Sweep - left; Plow - center; Share - right.negative, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringStubble MulchErosion ControlSoil and Water ConservationBiological Systems Engineering, Virginia TechStill Image