title: Some factors affecting the extraction of nitrogenous materials from leaves of various species.
authors.affiliation: Rothamsted Experimental Station, Harpenden, Herts.
authors.forename: E M
authors.initials: EM
authors.lastname: Crook
authors.forename: M
authors.initials: M
authors.lastname: Holden
mesh_terms: D009584:Nitrogen; D018515:Plant Leaves
chemical_list: D009584:Nitrogen