This journal provides immediate access to some articles. Volume 30(4); July 1955 Articles Effect of Soil-Moisture Content on the Rate of Photosynthesis and Respiration in Ladino Clover (Trifolium Repens L.). PMCID: PMC540651 A Study of the Role of the Hydrogen Ion in the Mechanism of Potassium Absorption by Excised Barley Roots. PMCID: PMC540652 Cytochrome Oxidase Content and Respiratory Rates of Etiolated Wheat and Barley Seedlings. PMCID: PMC540653 Effects of Polluted Atmospheres on Organic Acid Composition in Plant Tissues. PMCID: PMC540654 Auxin-Antiauxin Interaction at High Auxin Concentrations. PMCID: PMC540655 The Dual Role of Auxin in Flowering. PMCID: PMC540656 Roles of Embryo and Endosperm in Determining Niacin Content of Starchy and Sugary Maize Endosperms. PMCID: PMC540657 Relation of Respiratory and Enzymatic Activity to Corn Seed Viability. PMCID: PMC540658 Glucose Dissimilation in the Higher Plant. Effect of Age of Tissue. PMCID: PMC540659 Effect of Certain Metabolic Inhibitors on Translocation of P32 in Bean Plants. PMCID: PMC540660 Incorporation of Radioactive Amino Acids into the Proteins of Plant Tissue Homogenates. PMCID: PMC540661 Nonvolatile Organic Acids of Crown Galls, Crown Gall Tissue Cultures and Normal Stem Tissue. PMCID: PMC540662 Effects of Sporulation Medium and Age on Fungus Spore Physiology. PMCID: PMC540663 Studies on Nitrogen-Fixing Blue-Green Algae. I. Growth and Nitrogen Fixation by Anabaena Cylindrica Lemm PMCID: PMC540664 Conversion of Carbon-14-Labeled Urea into Amino Acids in Leaves. PMCID: PMC540665 Bioassay of Mercury Vapor Arising from a Phenyl Mercury Compound. PMCID: PMC540666 Incorporation of Radioactive Acetate and Sucrose into Amino Acids and Protein of Excised Organs of Red Kidney Bean. PMCID: PMC540667 News and Notes PMCID: PMC540674 Brief Papers: The Formation of Indoleacetylaspartic Acid in Pea Seedlings. PMCID: PMC540668 Inhibition of Plant Growth by 2-Mercaptobenzimidazole Analogs. PMCID: PMC540669 A Survey of the Nonvolatile Organic Acids in Seedlings of Some Grasses and Legumes. PMCID: PMC540670 Transpiration and the Absorption and Distribution of Radioactive Phosphorus in Plants. PMCID: PMC540671 Studies on Nitrite Metabolism in Higher Plants. PMCID: PMC540672 Flower-Promoting Activity of Pea Seed Diffusates. PMCID: PMC540673 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||