This journal provides immediate access to some articles. Volume 14(2); April 1939 Articles DANIEL TREMBLY MACDOUGAL: PIONEER PLANT PHYSIOLOGIST PMCID: PMC437730 CARBOHYDRATE AND RESPIRATORY METABOLISM IN THE ISOLATED STARVING LEAF OF WHEAT PMCID: PMC437731 DISTRIBUTION OF DIFFERENT NITROGEN FRACTIONS, SUGARS AND OTHER SUBSTANCES IN VARIOUS SECTIONS OF THE PINEAPPLE PLANT GROWN IN SOIL CULTURES AND RECEIVING EITHER AMMONIUM OR NITRATE SALTS PMCID: PMC437732 EFFECT OF TEMPERATURE UPON THE RATE OF ELONGATION OF THE STEMS OF ASPARAGUS GROWN UNDER FIELD CONDITIONS PMCID: PMC437733 PROBLEMS IN THE STORAGE OF CUT CARNATIONS PMCID: PMC437734 APPLICATION OF THE CERIC SULPHATE METHOD IN THE ANALYSIS OF CARBOHYDRATES IN THE ROOTS OF LEPIDIUM AND CONVOLVULUS PMCID: PMC437735 EFFECT OF HEAVY AND LATE APPLICATIONS OF NITROGENOUS FERTILIZER ON THE COLD RESISTANCE OF KENTUCKY BLUEGRASS PMCID: PMC437736 SUGGESTIONS FOR THE USE OF WARBURG RESPIROMETERS IN PLANT PHYSIOLOGICAL INVESTIGATIONS PMCID: PMC437737 RELATION BETWEEN FRUIT SIZE AND FOOD SUPPLY IN THE TOMATO PMCID: PMC437738 ORGANIC ACID METABOLISM OF THE BUCKWHEAT PLANT PMCID: PMC437739 DETERMINATION OF AMMONIA AND AMIDE NITROGEN IN CONNECTION WITH THE CHLORATE METHOD FOR NITROGEN IN PLANT TISSUES PMCID: PMC437740 DETERMINATION OF CONSTANTS FOR CURVES OF WATER ABSORPTION BY DRY ORGANIC SUBSTANCES PMCID: PMC437741 ELECTRICAL RESPONSE OF PHASEOLUS MULTIFLORUS TO ELECTRICAL CURRENTS PMCID: PMC437742 TRANSPORT OF INORGANIC IONS IN POLAR PLANT TISSUES PMCID: PMC437743 THE ESSENTIALITY OF CERTAIN ELEMENTS IN MINUTE QUANTITY FOR PLANTS WITH SPECIAL REFERENCE TO COPPER PMCID: PMC437744 ALKALOIDS FROM SANGUINARIA CANADENSIS AND THEIR INFLUENCE ON GROWTH OF PHYMATOTRICHUM OMNIVORUM PMCID: PMC437745 SEASONAL SUGAR VARIATIONS IN ALFALFA PMCID: PMC437746 Brief Papers: RELATIONS OF PLANTS TO MINUTE DOSES OF INHIBITIVE SUBSTANCES PMCID: PMC437747 CONDITION OF CHLOROPHYLL IN THE LEAF PMCID: PMC437748 AN AUTOMATIC PLANT IRRIGATOR AND RECORDER PMCID: PMC437749 Note NOTES PMCID: PMC437750 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||