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This journal provides immediate access to some articles. Volume 13(3); July 1938 Articles HORMONES AND THE ANALYSIS OF GROWTH PMCID: PMC439398 EXANTHEMA IN PEAR, AND COPPER DEFICIENCY PMCID: PMC439400 WATER RELATIONS IN BRYOPHYLLUM CALYCINUM SUBJECTED TO SEVERE DRYING PMCID: PMC439404 ASSIMILATION OF AMMONIUM AND NITRATE BY PINEAPPLE PLANTS GROWN IN NUTRIENT SOLUTIONS AND ITS EFFECTS ON NITROGENOUS AND CARBOHYDRATE CONSTITUTENTS PMCID: PMC439407 ELECTRICAL POLARITY AND AUXIN TRANSPORT PMCID: PMC439413 CONDUCTIVITY MEASUREMENTS OF PLANT SAP PMCID: PMC439414 BEHAVIOR OF PECTIC SUBSTANCES AND NARINGIN IN GRAPEFRUIT IN THE FIELD AND IN STORAGE PMCID: PMC439415 AUXIN PRODUCTION IN SEEDLINGS OF DWARF MAIZE PMCID: PMC439416 CORRELATION BETWEEN GROWTH OF EXCISED ROOT TIPS AND TYPES OF FOOD STORED IN THE SEED PMCID: PMC439417 INTERMEDIATES OF VITAMIN B1 AND THE GROWTH OF TORULA PMCID: PMC439418 RELATIONSHIP OF THE ORGANIC ACIDS OF TOBACCO TO THE INORGANIC BASIC CONSTITUENTS PMCID: PMC439419 GROWTH OF CABBAGE SEEDLINGS IN SAND CULTURE, AS AFFECTED BY DELAYED APPLICATION OF NUTRIENT SALTS PMCID: PMC439420 ISOLATION OF A HEXOSEMONOPHOSPHATE FROM PEA LEAVES PMCID: PMC439421 INFLUENCE OF OSMOTIC PRESSURE ON SPORULATION BY BACILLUS SUBTILIS PMCID: PMC439422 Brief Papers: INFLUENCE OF THE LENGTH OF DAY ON THE DORMANCY OF TREE SEEDLINGS PMCID: PMC439423 EFFECT OF DROUGHT ON PROTOPLASMIC ELASTICITY PMCID: PMC439424 Note NOTES PMCID: PMC439425 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
