Virginia Tech, Extension Service2019-08-082019-08-081949-01-05http://hdl.handle.net/10919/92959Apparatus for determining total nitrogen in soils (kjeldahl). Soil and Water Conservation Laboratory, Agricultural Engineering Building, Seitz Hall.positive, 4 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10LaboratoryField Projects and DemonstrationsOther InitiativesAgricultural EngineeringPhotographBiological Systems Engineering, Virginia Tech