This journal provides immediate access to some articles. Volume 19(1); January 1944 Articles THE EXUDATION OF GLUTAMINE FROM LAWN GRASS PMCID: PMC438311 EFFECT OF INTERMITTENT IRRADIATION ON PHOTOPERIODIC RESPONSES PMCID: PMC438312 ELECTRODIALYSIS OF SEEDS PMCID: PMC438313 EFFECTS OF OXYGEN TENSION ON CERTAIN PHYSIOLOGICAL RESPONSES OF RICE, BARLEY, AND TOMATO PMCID: PMC438314 EFFECTS OF IRON ON CHLOROPHYLLOUS PIGMENTS, ASCORBIC ACID, ACIDITY AND CARBOHYDRATES OF ANANAS COMOSUS (L.) MERR., SUPPLIED WITH NITRATE OR AMMONIUM SALTS PMCID: PMC438315 RAPID ANALYTICAL METHODS FOR SOME OF THE MORE COMMON INORGANIC CONSTITUENTS OF PLANT TISSUES PMCID: PMC438316 EVALUATION OF FOLIAGE INJURY AND WATER LOSS IN CONNECTION WITH USE OF WAX AND OIL EMULSIONS PMCID: PMC438317 EFFECT OF BORON, COPPER, MANGANESE, AND ZINC ON THE ENZYME ACTIVITY OF TOMATO AND ALFALFA PLANTS GROWN IN THE GREENHOUSE PMCID: PMC438318 RELATION OF LIGHT TO GROWTH OF PLANTS PMCID: PMC438319 FRUIT GROWTH AND FOOD TRANSPORT IN CUCURBITS PMCID: PMC438320 RELATION OF WEATHER CONDITIONS TO ONION BLAST PMCID: PMC438321 SEMI-MICRO ESTIMATION OF REDUCING SUGARS PMCID: PMC438322 USE OF ROOT PRESSURES IN DETERMINING INJURY TO ROOTS BY CULTIVATION PMCID: PMC438323 BUFFER VALUES OF THE LEAVES OF SOME PLANTS PMCID: PMC438324 Brief Papers: GLASS POTOMETERS FOR STUDIES OF ABSORPTION AND EXUDATION BY EXCISED ROOTS PMCID: PMC438325 Note NOTES PMCID: PMC438326 Correction ERRATA PMCID: PMC438309 Corrects: EFFECT OF INTERMITTENT IRRADIATION ON PHOTOPERIODIC RESPONSES. Plant Physiol. 1944 January; 19(1): 6–18. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||