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This journal provides immediate access to some articles. Volume 29(6); November 1954 Articles Dehydrogenase Activity and Respiration; a Quantitative Comparison PMCID: PMC540573 The Carbon Dioxide Content of Field Air PMCID: PMC540574 A Developmental Study of D-Glyceric Acid Dehydrogenase PMCID: PMC540575 Partial Reactions in the Formation of the Floral Stimulus in Xanthium PMCID: PMC540576 Some Effects of Ethanol Extracts of Potatoes on the Activity of a Phosphorylase Preparation PMCID: PMC540577 The Effect of Abnormally Prolonged Alternating Periods of Light and Darkness upon the Composition of Bryophyllum calycinum Leaves PMCID: PMC540578 Chlorine—A Micronutrient Element for Higher Plants PMCID: PMC540579 Growth Inhibitor Activity in Xanthium in Relation to Photoperiodism PMCID: PMC540580 The Flowering of Sunflower Explants in Aseptic Culture PMCID: PMC540581 Studies in Plant Metabolism. IV. Comparative Effects of 2,4-Dichlorophenoxyacetic Acid and Other Plant Growth Regulators on Phosphorus Metabolism in Bean Plants (Continued) PMCID: PMC540582 News and Notes PMCID: PMC540583 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
