title: A COMPARISON OF ELECTRIC RESISTANCE UNITS FOR MAKING A CONTINUOUS MEASUREMENT OF SOIL MOISTURE UNDER FIELD CONDITIONS.
authors.affiliation: DEPARTMENT OF SOIL SCIENCE, MICHIGAN STATE COLLEGE, EAST LANSING, MICHIGAN.
authors.forename: G J
authors.initials: GJ
authors.lastname: Bouyoucos
authors.forename: A H
authors.initials: AH
authors.lastname: Mick