Haase, S Responses to iron limitation in Hordeum vulgare L. as affected by the atmospheric CO2 concentration. [electronic resource] - Journal of environmental quality - 1254-62 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0047-2425 Standard No.: 10.2134/jeq2006.0136 doi Subjects--Topical Terms: AtmosphereCarbon Dioxide--analysisChlorophyll--metabolismElectrophoresis, Polyacrylamide GelHordeum--growth & developmentIron--metabolismPlant Roots--metabolismPolymerase Chain ReactionRNA, Ribosomal, 16S--geneticsSiderophores--metabolismSoil Microbiology