This journal provides immediate access to some articles. Volume 29(2); March 1954 Articles The Estimation of Dehydrogenases in Plant Tissue. PMCID: PMC540475 Seed Vitality and Other Cotton Characters as Affected by the Age of Seed. PMCID: PMC540476 Vitamin Content of Turnip-green Plants in Relation to Growth. PMCID: PMC540477 The Effect of Temperature on the Conversion of Protochlorophyll to Chlorophyll a in Etiolated Barley Leaves. PMCID: PMC540478 The Development of Chlorophyll and Oxygen-evolving Power in Etiolated Barley Leaves When Illuminated. PMCID: PMC540479 Measurement of Algal Growth under Controlled Steady-state Conditions. PMCID: PMC540480 Growth Rate of Chlorella in Flashing Light. PMCID: PMC540481 Recording Oxidation-reduction Potentials in Plant Preparations. PMCID: PMC540482 Studies on the Photosynthetic Reaction. II. Sodium Formate and Urea Feeding Experiments with Nostoc muscorum. PMCID: PMC540483 Fruit Respiration and Ethylene Production. PMCID: PMC540484 The Effect of X-Rays on Uptake and Loss of Ions by Potato Tuber Tissue. PMCID: PMC540485 The Effect of Light on the Oxygen Metabolism of the Photosynthetic Bacterium, Rhodospirillum rubrum. PMCID: PMC540486 Fluctuations in Sensitivity of the Avena Test Due to Air Pollutants. PMCID: PMC540487 INSERTION TO DISCUSSION, PAGE 186, OF THE ARTICLE BY HULL, WENT, AND YAMADA PMCID: PMC540495 Brief Papers: A Light Activated Accumulation of Niacin in Tomato Leaf Discs. PMCID: PMC540488 B Vitamins in Starchy and Sugary Maize Endosperms. PMCID: PMC540489 Thicker Aleurone Inadequate Explanation for Higher Niacin in Sugary Maize. PMCID: PMC540490 A Device for Continuous Aeration and Nutrient Renewal of Entire Plants under Sterile Conditions. PMCID: PMC540491 Fixation of N215 by Excised Nodules. PMCID: PMC540492 A Simple Demonstration of Some Properties of Capillaries. PMCID: PMC540493 An Energy Dependent Incorporation of Amino Acids into the Protein of Plant Mitochondria. PMCID: PMC540494 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||