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This journal provides immediate access to some articles. Volume 9(4); October 1934 Articles PENETRATION AND ACCUMULATION OF PETROLEUM SPRAY OILS IN THE LEAVES, TWIGS, AND FRUIT OF CITRUS TREES PMCID: PMC439100 CARBOHYDRATE-NITROGEN RATIOS WITH RESPECT TO THE SEXUAL EXPRESSION OF HEMP PMCID: PMC439101 LOSSES TO THE CORN CROP CAUSED BY LEAF INJURY PMCID: PMC439102 FACTORS IN ELONGATION AND EXPANSION UNDER REDUCED LIGHT INTENSITY PMCID: PMC439103 THE COHESION THEORY OF TRANSPIRATION PMCID: PMC439104 FREEZING PHENOMENA IN CRESOAP EMULSIONS OF PETROLEUM OILS PMCID: PMC439105 PRODUCTION OF VITAMINS BY A PURE CULTURE OF CHLOROCOCCUM GROWN IN DARKNESS ON A SYNTHETIC MEDIUM PMCID: PMC439106 PREPARATION OF AQUEOUS EXTRACTS OF SOLUBLE NITROGEN FROM PLANT TISSUES PMCID: PMC439107 RELATION OF CERTAIN AMINO ACIDS TO CARBON DIOXIDE AND MYCELIUM PRODUCTION OF FUSARIUM OXYSPORUM PMCID: PMC439108 RESPIRATORY RATE AND ENZYME ACTIVITY AS RELATED TO THE HARDENED CONDITION OF PLANTS PMCID: PMC439109 METHOD FOR THE PREPARATION OF GREEN PLANT MATERIAL FOR THE EXTRACTION OF JUICES PMCID: PMC439110 NUCLEAR DIVISION IN TRADESCANTIA VIRGINIANA PMCID: PMC439111 Brief Papers: GOTTLIEB HABERLANDT PMCID: PMC439112 DEMONSTRATION OF SOME OF THE MECHANISMS INVOLVED IN THE ASCENT OF SAP IN PLANTS PMCID: PMC439113 A NOTE ON FRUITING APPLE SPUR PHYLLOTAXY PMCID: PMC439114 Note NOTES PMCID: PMC439115 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
