title: The habits of roots:  what's up down under?
authors.affiliation: Department of Botany at the University of California, Berkeley 94720.
authors.forename: L J
authors.initials: LJ
authors.lastname: Feldman
mesh_terms: D005658:Fungi / Q000502:physiology; D018522:Gravitropism / Q000502:physiology; D009584:Nitrogen / Q000378:metabolism; D009586:Nitrogen Fixation; D018518:Plant Root Cap / Q000737:chemistry / Q000254:growth & development* / Q000502:physiology*; D018517:Plant Roots / Q000254:growth & development* / Q000378:metabolism / Q000502:physiology*; D012231:Rhizobium / Q000502:physiology; D012987:Soil / Q000032:analysis; D012988:Soil Microbiology; D013559:Symbiosis; D014867:Water
chemical_list: D012987:Soil; D014867:Water; D009584:Nitrogen