This journal provides immediate access to some articles. Volume 30(3); May 1955 Articles Ionic Species in Orthophosphate Absorption by Barley Roots. PMCID: PMC540630 Studies on the Mechanism of Phytohormone Damage by Ionizing Radiation. I. The Radiosensitivity of Indoleacetic Acid. PMCID: PMC540631 The Correlation of Different Aspects of Auxin Action PMCID: PMC540632 Calcium-Magnesium Nutrition with Special Reference to Serpentine Soils PMCID: PMC540633 Effects of Ultraviolet Radiation and Calcium and Their Interaction on Salt Absorption by Excised Mung Bean Roots. PMCID: PMC540634 On the Nature of the Enzymatically Catalyzed Oxidation Products of Indoleacetic Acid. PMCID: PMC540635 Identification of the Carbon Dioxide Burst in Chlorella Using the Recording Mass Spectrometer. PMCID: PMC540636 Fat Metabolism in Higher Plants. VI. Incorporation of P32 into Peanut Mitochondrial Phospholipids. PMCID: PMC540637 The Development of Bean Seeds (Phaseolus vulgaris L.). PMCID: PMC540638 Influence of Night Temperature and Nitrogen Nutrition on the Growth, Sucrose Accumulation and Leaf Minerals of Sugar Beet Plants. PMCID: PMC540639 Comparative Physiology of Green and Albino Corn Seedlings. PMCID: PMC540640 Carbon Dioxide Fixation and Ion Absorption in Barley Roots. PMCID: PMC540641 Short-Time Fixation of Labelled Carbon Dioxide by Barley Leaves under Steady State Conditions. PMCID: PMC540642 Studies in Plant Metabolism. V. the Metabolism of Radioactive 2,4-D in Etiolated Bean Plants. PMCID: PMC540643 Photosynthesis and Respiration of Three Blue-Green Algae. PMCID: PMC540644 Persistent Rhythms of O2-Consumption in Potatoes, Carrots and the Seaweed, Fucus. PMCID: PMC540645 News And Notes PMCID: PMC540647 Brief Papers: The Phosphorus-Iron Relationship in Genetical Chlorosis. PMCID: PMC540646 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||