Virginia Tech, Extension Service2019-08-082019-08-081948-06-11http://hdl.handle.net/10919/92917Reference stake placed in Plot 4. Right hand plot received 10.7-12-4 and no top dressing. Middle plot planted with conventional drill and 4-12-4 fertilizer. Left hand plot received 4-12-4 fertilizer and was planted without pack wheels.positive, 4 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Multiple Use DrillFarm ImplementsFarm Operating EquipmentAgricultural EngineeringPhotographBiological Systems Engineering, Virginia Tech