Jones, J. Benton, Jr. A Laboratory guide of exercises in conducting soil test, and plant analyses - Athens, Georgia : Benton Laboratories, 1984 - 158 p. : ilus. LCCN: 69757 Subjects--Topical Terms: Suelos--AnĂ¡lisis.Suelos--Manuales de laboratorio. Dewey Class. No.: 631.42 / J6