This journal provides immediate access to some articles. Volume 13(4); October 1938 Articles DIURNAL FLUCTUATION IN ROOT PRESSURE PMCID: PMC439430 FOLIAR DIAGNOSIS: ITS RELATION TO THE OPTIMUM NUTRITION OF THE POTATO PMCID: PMC439431 EFFECTS OF A LIMITING ELEMENT ON THE ABSORPTION OF INDIVIDUAL ELEMENTS AND ON THE ANION: CATION BALANCE IN WHEAT PMCID: PMC439432 RELATION BETWEEN LIGHT AND THE ELECTRIC POLARITY OF CHARA PMCID: PMC439433 A STUDY OF MINERAL NUTRITION OF WHEAT AS INFLUENCED BY FERTILIZER COMBINATIONS PMCID: PMC439435 SALT TOLERANCE OF PLANTS AT VARIOUS TEMPERATURES PMCID: PMC439436 TRANSLOCATION IN PLANTS PMCID: PMC439437 ICE FORMATION AND THE DEATH OF PLANT CELLS BY FREEZING PMCID: PMC439438 TEMPERATURE EFFECTS UPON THE GROWTH OF EXCISED ROOT TIPS PMCID: PMC439439 CARBOHYDRATES OF BEAN PLANTS AFTER TREATMENT WITH INDOLE-3-ACETIC ACID PMCID: PMC439440 THE MIRSKY-PAULING THEORY OF THE STRUCTURE OF NATIVE, DENATURED, AND COAGULATED PROTEINS, AND SOME THEORETICAL ASPECTS OF THE EVOLUTION OF OXYGEN FROM THE IRRADIATED GREEN PLANT PMCID: PMC439441 Brief Papers: HERITABLE VARIATIONS IN CHLOROPHYLL PMCID: PMC439442 NICOTINIC ACID AND THE GROWTH OF ISOLATED PEA EMBRYOS PMCID: PMC439443 EFFECTS OF FLUE DUST ON THE GROWTH OF SUNFLOWER AND GOLDEN WAX BEAN PMCID: PMC439444 EFFECT OF SUN AND SHADE ON PIGMENT DEVELOPMENT PMCID: PMC439445 TEACHING METHODS IN PLANT PHYSIOLOGY PMCID: PMC439446 Note NOTES PMCID: PMC439447 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||