This journal provides immediate access to some articles. Volume 25(3); July 1950 Articles FURTHER OBSERVATIONS ON THE ABSORPTION AND TRANSLOCATION OF INORGANIC SOLUTES USING RADIOACTIVE ISOTOPES WITH PLANTS PMCID: PMC437445 THE EFFECT OF SOIL TEMPERATURE ON GUAYULE PLANTS PMCID: PMC437446 THE ORTHO EFFECT IN PLANT GROWTH-REGULATORS PMCID: PMC437447 THE EFFECT OF NITROGEN AND POTASSIUM LEVELS IN TUNG SEEDLINGS ON GROWTH, APPARENT PHOTOSYNTHESIS, AND CARBOHYDRATE COMPOSITION PMCID: PMC437448 MOISTURE ABSORPTION BY PLANTS FROM AN ATMOSPHERE OF HIGH HUMIDITY PMCID: PMC437449 SOME GROSS CORRELATIONS BETWEEN GROWTH ENLARGEMENT AND THE SOLUTE AND WATER RELATIONS OF PLANTS, WITH SPECIAL EMPHASIS ON THE RELATION OF TURGOR PRESSURE TO DISTENTION OF CELLS PMCID: PMC437450 IS THE AMERICAN ELM (ULMUS AMERICANA) INJURED BY NATURAL GAS? PMCID: PMC437451 THE EFFECT OF IRRIGATION, NITROGEN LEVEL AND SEASON ON THE COMPOSITION OF CABBAGE PMCID: PMC437452 THE EFFECTS OF FLOODING ON THE TRANSPIRATION AND SURVIVAL OF SOME SOUTHEASTERN FOREST TREE SPECIES PMCID: PMC437453 SOME OBSERVATIONS ON NITRITE FORMATION AND THE ABSORPTION OF NITROGEN BY CITRUS PMCID: PMC437454 EFFECTS OF SOME GROWTH REGULATING SUBSTANCES ON THE TRANSPIRATION OF ZEA MAYS, L. AND RICINUS COMMUNIS, L PMCID: PMC437455 RESPIRATION STUDIES ON CHLORELLA. I. GROWTH EXPERIMENTS WITH ACID INTERMEDIATES PMCID: PMC437456 MINERAL COMPOSITION OF CHLOROTIC ORANGE LEAVES AND SOME OBSERVATIONS ON THE RELATION OF SAMPLE PREPARATION TECHNIQUE TO THE INTERPRETATION OF RESULTS PMCID: PMC437457 GENERAL USES AND METHODS OF THERMISTORS IN TEMPERATURE INVESTIGATIONS, WITH SPECIAL REFERENCE TO A TECHNIQUE FOR HIGH SENSITIVITY CONTACT TEMPERATURE MEASUREMENT PMCID: PMC437458 THE CENTRIFUGE METHOD FOR MEASURING NECTAR YIELD PMCID: PMC437459 Brief Papers: CYTOCHROME OXIDASE IN CORN EMBRYOS PMCID: PMC437460 EFFECT OF 2,4-DICHLOROPHENOXYACETIC ACID ON THE INVERTASE, PHOSPHORYLASE AND PECTIN METHOXYLASE ACTIVITY IN THE STEMS AND LEAVES OF THE RED KIDNEY BEAN PLANTS PMCID: PMC437461 Note THE STATUS OF PLANT PHYSIOLOGY IN THE UNITED STATES: THE NUMBER, INTERESTS AND RATE OF TRAINING OF PLANT PHYSIOLOGISTS PMCID: PMC437462 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||