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This journal provides immediate access to some articles. Volume 8(4); October 1933 Articles CONCENTRATIONS OF INORGANIC IONS AS RELATED TO GROWTH OF EXCISED ROOT-TIPS OF WHEAT SEEDLINGS PMCID: PMC439047 ACIDITY AND ALKALINITY PRODUCED BY CHANGES IN THE NITROGEN, SULPHUR, AND CARBON CYCLES PMCID: PMC439048 PHOTODYNAMICALLY INDUCED TROPISMS IN PLANT ROOTS PMCID: PMC439049 NUTRIENT ELEMENTS USED BY LEAVES AND GROWTH OF APPLE TREES PMCID: PMC439050 CONTROLLED THERMOSTATS FOR PHYSIOLOGICAL STUDIES AT LOW, NON-FREEZING TEMPERATURES PMCID: PMC439051 NEW METHOD OF ARRANGING EXPERIMENTS WITH VEGETABLES IN SAND CULTURES WITH FLOWING SOLUTION PMCID: PMC439052 Brief Papers: CHARACTER OF HEMICELLULOSE IN CERTAIN FRUIT TREES PMCID: PMC439053 EXAMINATION OF STARCH AND HEMICELLULOSE EXTRACTS FROM APPLE WOOD PMCID: PMC439054 DETECTION AND ESTIMATION OF FORMALDEHYDE WITHIN THE CELL OF A GREEN PLANT BY THE ALLISON APPARATUS PMCID: PMC439055 Note NOTES PMCID: PMC439056 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
