This journal provides immediate access to some articles. Volume 24(3); July 1949 Articles THE PROBLEM OF SELECTING UNIFORM SAMPLES OF LEAVES PMCID: PMC437383 GROWTH AND COMPOSITION OF BILOXI SOYBEAN GROWN IN A CONTROLLED ENVIRONMENT WITH RADIATION FROM DIFFERENT CARBON-ARC SOURCES PMCID: PMC437384 GROWTH REGULATION BY ORGANIC COMPOUNDS PMCID: PMC437385 THE NITROGEN COMPOSITION OF CEREAL GRASSES. I. PRINCIPAL NITROGEN FRACTIONS PMCID: PMC437386 ORGANIC ACIDS OF THE COTTON PLANT PMCID: PMC437387 THE TOPOGRAPHICAL TETRAZOLIUM METHOD FOR DETERMINING THE GERMINATING CAPACITY OF SEEDS PMCID: PMC437388 POTASSIUM IN CITRUS TREES PMCID: PMC437389 GROWTH AND CHEMICAL COMPOSITION OF ANANAS COMOSUS (L.) MERR., IN SOLUTION CULTURES WITH DIFFERENT IRON-MANGANESE RATIOS PMCID: PMC437390 AUTONOMIC DIURNAL CYCLES IN THE WATER RELATIONS OF NONEXUDING DETOPPED ROOT SYSTEMS PMCID: PMC437391 THE INFLUENCE OF ROOTSTOCK ON THE MINERAL COMPOSITION OF VALENCIA ORANGE LEAVES PMCID: PMC437392 THE EFFECTS OF SOME INHIBITORS OF PHOTOSYNTHESIS UPON THE PHOTOCHEMICAL REDUCTION OF A DYE BY ISOLATED CHLOROPLASTS PMCID: PMC437393 ORANGE FRUITING IN RELATION TO THE BLOSSOM OPENING PERIOD PMCID: PMC437394 A STUDY OF CHEMOTROPISM OF POLLEN TUBES IN VITRO PMCID: PMC437395 THE EFFECT OF TEMPERATURE UPON TRANSLOCATION OF CARBOHYDRATES IN THE TOMATO PLANT PMCID: PMC437396 Brief Papers: MOVEMENT OF P32 IN MATURING CORN PLANTS PMCID: PMC437397 FLOWER INITIATION IN TOTAL DARKNESS PMCID: PMC437398 THE EFFECT OF TEMPERATURE ON THE SUSCEPTIBILITY OF PLANTS TO 2,4-D PMCID: PMC437399 A METHOD FOR THE STUDY OF FOLIAR ABSCISSION IN VITRO PMCID: PMC437400 RELATION OF WATER TO THE GERMINATION OF BEAN SEEDS PMCID: PMC437401 EFFECT OF 2,4-DICHLOROPHENOXYACETIC ACID ON THE CONTENT OF THIAMINE, RIBOFLAVIN, NICOTINIC ACID, PANTOTHENIC ACID AND CAROTENE IN STEMS AND LEAVES OF RED KIDNEY BEAN PLANTS PMCID: PMC437402 Note NOTES PMCID: PMC437403 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||