Virginia Tech, Extension Service2019-08-082019-08-081948-05-03http://hdl.handle.net/10919/92979Multiple use drill experiment. Plot No. II-5. Treatment 10-12-4.positive, 4 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Multiple Use DrillFarm ImplementsFarm Operating EquipmentAgricultural EngineeringPhotographBiological Systems Engineering, Virginia Tech