title: Diurnal variations in root diameter.
authors.affiliation: Soil and Water Conservation Research Division, Agricultural Research Service, United States Department of Agriculture, Auburn University Agricultural Experiment Station, Auburn, Alabama 36830.
authors.forename: M G
authors.initials: MG
authors.lastname: Huck
authors.forename: B
authors.initials: B
authors.lastname: Klepper
authors.forename: H M
authors.initials: HM
authors.lastname: Taylor