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This journal provides immediate access to some articles. Volume 25(2); April 1950 Articles GROWTH AND NUTRIENT ACCUMULATION AS CONTROLLED BY OXYGEN SUPPLY TO PLANT ROOTS PMCID: PMC437427 COMPOSITION OF DEVELOPING PEANUT SEED PMCID: PMC437428 BASES FOR THE PREDICTION OF CORN YIELDS PMCID: PMC437429 HYGROSCOPIC EQUILIBRIUM AND VIABILITY OF NATURALLY AND ARTIFICIALLY DRIED BLUE LUPINE SEEDS PMCID: PMC437430 THE RELATION OF THE CHARACTERISTICS AND YIELD OF WAX TO PLANT AGE PMCID: PMC437431 ACCUMULATION OF FREE AMINO ACIDS AS A CHEMICAL BASIS FOR MORPHOLOGICAL SYMPTOMS IN TOBACCO MANIFESTING FRENCHING AND MINERAL DEFICIENCY SYMPTOMS PMCID: PMC437432 CHANGES IN CHEMICAL COMPOSITION OF THE LEAVES AND ROOTS OF RED KIDNEY BEAN PLANTS TREATED WITH 2, 4-DICHLOROPHENOXYACETIC ACID PMCID: PMC437433 CHLOROPHYLL STUDIES ON BARLEY MUTANTS PMCID: PMC437434 MANGANESE INTERFERENCE IN THE ABSORPTION AND TRANSLOCATION OF RADIOACTIVE IRON (Fe59) IN ANANAS COMOSUS (L.) MERR PMCID: PMC437435 THE GROWTH AND METABOLISM OF EXCISED ROOTS IN CULTURE. I. THE MEASUREMENT OF GROWTH AND THE ROLE OF CERTAIN VITAMINS PMCID: PMC437436 THE GROWTH AND METABOLISM OF EXCISED ROOTS IN CULTURE. II. THE RESPIRATORY RATES OF EXCISED TOMATO ROOTS PMCID: PMC437437 A SOFT X-RAY MUTANT OF ASPERGILLUS NIGER VAN TIEGHEM PMCID: PMC437438 Brief Papers: A MODIFICATION OF THE WARBURG RESPIROMETER TO MEASURE THE RESPIRATION RATE OF TOMATO LEAF DISCS PMCID: PMC437439 PRECAUTIONS IN THE USE OF LANOLIN AS AN ASSAY DILUENT FOR PLANT GROWTH SUBSTANCES PMCID: PMC437440 Note NOTES PMCID: PMC437441 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
