This journal provides immediate access to some articles. Volume 23(4); October 1948 Articles POTASSIUM DEFICIENCY AND EXCESS IN GUAYULE. II. CATION-ANION BALANCE IN THE LEAVES PMCID: PMC437339 EFFECTS OF POTASSIUM DEFICIENCY AND EXCESS UPON CERTAIN CARBOHYDRATE AND NITROGENOUS CONSTITUENTS IN GUAYULE PMCID: PMC437340 INVESTIGATIONS ON THE FLUOROMETRIC DETERMINATION OF MALIC AND SUCCINIC ACIDS IN APPLE TISSUE PMCID: PMC437341 THE ABSORPTION AND FLUORESCENCE SPECTRA OF TWO RED MARINE ALGAE PMCID: PMC437342 PHYSIOLOGICAL STUDIES OF WEED SEED GERMINATION PMCID: PMC437343 RATE OF LEAF ELONGATION AS AFFECTED BY THE INTENSITY OF THE TOTAL SOIL MOISTURE STRESS PMCID: PMC437344 GASEOUS LOSSES OF NITROGEN FROM GREEN PLANTS. I. STUDIES WITH CHLORELLA AND LEMNA PMCID: PMC437345 THE ROLE OF ACTIVE WATER ABSORPTION IN AUXIN-INDUCED WATER UPTAKE BY AERATED POTATO DISCS PMCID: PMC437346 THE EFFECT OF CALCIUM AND OTHER IONS ON THE EARLY DEVELOPMENT OF THE RADICLE OF COTTON SEEDLINGS PMCID: PMC437347 THE IDENTIFICATION OF ETHYLENE AS A VOLATILE PRODUCT OF RIPENING AVOCADOS PMCID: PMC437348 A COMPARISON OF ELECTRIC RESISTANCE UNITS FOR MAKING A CONTINUOUS MEASUREMENT OF SOIL MOISTURE UNDER FIELD CONDITIONS PMCID: PMC437349 RESPONSE OF KALANCHOE TUBIFLORA TO X-RADIATION PMCID: PMC437350 A MICROCHEMICAL EXAMINATION OF McINTOSH APPLE LEAVES SHOWING RELATIONSHIP OF CELL WALL CONSTITUENTS TO PENETRATION OF SPRAY SOLUTIONS PMCID: PMC437351 SOIL TEMPERATURE AS A FACTOR IN THE FRENCHING OF TOBACCO (NICOTIANA TABACUM L.) PMCID: PMC437352 UNAVAILABILITY OF IRON AS A CAUSE OF FRENCHING OF TOBACCO (NICOTIANA TABACUM L.) PMCID: PMC437353 PHOTOSYNTHESIS IN RELATION TO STOMATAL FREQUENCY AND DISTRIBUTION PMCID: PMC437354 GASEOUS LOSSES OF NITROGEN FROM GREEN PLANTS. II. STUDIES WITH EXCISED LEAVES IN NUTRIENT MEDIA PMCID: PMC437355 THE EFFECT OF THE INTERRELATIONSHIP OF BORON AND MANGANESE ON THE GROWTH AND CALCIUM UPTAKE OF BLUE LUPINE (LUPINUS ANGUSTIFOLIUS L.) IN SOLUTION CULTURE PMCID: PMC437356 CONTRIBUTION OF STUDIES WITH THE ELECTRON MICROSCOPE TO STUDIES OF THE RELATIONSHIP OF CHROMOPLASTS TO CAROTENE BODIES AND CAROTENE BODIES TO VITAMIN A PMCID: PMC437357 Brief Papers: A FACTOR METHOD FOR THE AREA OF TOMATO LEAVES PMCID: PMC437358 A TECHNIQUE FOR INTRODUCING RADIOACTIVE PHOSPHORUS INTO THE GRAIN OF GROWING CORN PMCID: PMC437359 Note NOTES PMCID: PMC437360 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||