This journal provides immediate access to some articles. Volume 28(3); July 1953 Articles Kinetics of Auxin Interaction PMCID: PMC540395 The Diurnal Variation in the Translocation of Minerals across Bean Roots PMCID: PMC540396 Heavy-Metal Nutrition and Iron Chlorosis of Citrus Seedlings PMCID: PMC540397 Studies on the Chemistry of the Living Bark of the Black Locust in Relation to Its Frost Hardiness. V. Seasonal Transformations and Variations in the Carbohydrates: Starch-Sucrose Interconversions PMCID: PMC540398 Investigations of Nitrogen Compounds and Nitrogen Metabolism in Plants. Iii. γ-Aminobutyric Acid in Plants, With Special Reference to the Potato Tuber and a New Procedure for Isolating Amino Acids Other Than α-Amino Acids PMCID: PMC540399 An Atypical Growth of Cabbage Seedling Roots. Iii. Tissue Culture and Physiological Comparisons of Typical and Atypical Roots PMCID: PMC540400 Some Relationships of Sterols to Plant Growth PMCID: PMC540401 The Effect of Sodium Trichloroacetate upon the Metabolism of Wheat Seedlings (Triticum Vulgare L.) PMCID: PMC540402 Auxin Relations of a Dwarf Pea PMCID: PMC540403 The Role of Boron in the Translocation of Sucrose PMCID: PMC540404 Changes in the Carbohydrate Reserves of Ladino White Clover Following Defoliation PMCID: PMC540405 Bolting and Flowering of Sugar Beets in Continuous Darkness PMCID: PMC540406 Comparative Stimulation of Parthenocarpy in the Tomato by Various Indole Compounds PMCID: PMC540407 Iron and Copper Enzymes in Leaf Lamina of Tobacco When Deficient in Micronutrients or Grown on Calcareous and Organic Soils PMCID: PMC540408 The Effect of the Dominance of a Metabolic System Requiring Iron or Copper on the Development of Lime-Induced Chlorosis PMCID: PMC540409 Relationship of Seasonal Trends in Carbohydrate and Nitrogen Levels and Effects of Girdling and Spraying with Sucrose and Urea to the Nutritional Interpretation of Boll Shedding in Cotton PMCID: PMC540410 The Climacteric Rise in Fruit Respiration as Controlled by Phosphorylative Coupling PMCID: PMC540411 Brief Papers: Distribution of Total Soluble Solids, Ascorbic Acid, Total Acid, and Bromelin Activity in The Fruit of the Natal Pineapple (Ananas Comosus L. MERR.) PMCID: PMC540412 The Composition of Plant Fractions Extracted with 80% Alcohol PMCID: PMC540413 Nitrate Reduction by Chlorella PMCID: PMC540414 Bioelectric Potentials of Tumor-Infected Plants PMCID: PMC540415 Carotenoids in Grapefruit, Citrus Paradisi PMCID: PMC540416 Note Notes PMCID: PMC540417 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||