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This journal provides immediate access to some articles. Volume 21(2); April 1946 Articles DEVELOPMENT OF SOME RECENT CONCEPTS IN THE PHYSIOLOGICAL CHEMISTRY OF THE TOBACCO ALKALOIDS PMCID: PMC437262 NEW CARRIERS FOR PLANT GROWTH REGULATORS PMCID: PMC437263 THE ORGANIC ACIDS OF GRAPEFRUIT JUICE PMCID: PMC437264 EFFECTS OF VARIOUS AGENTS ON THE STRUCTURAL VISCOSITY OF ELODEA PROTOPLASM PMCID: PMC437265 THE SOLUBLE NITROGEN FRACTIONS OF POTATO TUBERS; THE AMIDES PMCID: PMC437266 THE EFFECT OF VARIOUS IONS ON GUTTATION OF THE TOMATO PMCID: PMC437267 LENGTH OF LIFE OF ROOTS OF TEN SPECIES OF PERENNIAL RANGE AND PASTURE GRASSES PMCID: PMC437268 EFFECTS OF POTASSIUM ON THE NITROGENOUS CONSTITUENTS OF ANANAS COMOSUS (L.) MERR PMCID: PMC437269 PHYCOMYCES IN THE ASSAY OF THIAMINE IN AGAR PMCID: PMC437270 LEAFSPOT OF PEANUT ASSOCIATED WITH MAGNESIUM DEFICIENCY PMCID: PMC437271 Note NOTES PMCID: PMC437272 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
