Media type: E-Article Title: Secretion of Amylase by Plant Roots Contributor: Knudson, L.; Smith, R. S. Published: University of Chicago Press, 1919 Published in: Botanical Gazette, 68 (1919) 6, Seite 460-466 Language: English DOI: 10.1086/332584 ISSN: 0006-8071 Keywords: General Earth and Planetary Sciences ; General Environmental Science Origination: Footnote: Access State: Open Access