Virginia Tech, Extension Service2019-11-082019-11-081950-09http://hdl.handle.net/10919/95455Single unit profusion apparatus used in studies by Samuel Gamble, VPI Bacteriology Department, in following plant nutrient assimilation trends under stubble mulch.negative, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringLaboratoryField Projects and DemonstrationsOther InitiativesProject 10 Image - VA Montgomery County - 1950-09PhotographBiological Systems Engineering, Virginia Tech