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This journal provides immediate access to some articles. Volume 18(3); July 1943 Articles FOOD RESERVE DEPLETION AND SYNTHESIS IN FIELD BINDWEED, CONVOLVULUS ARVENSIS L., AS RELATED TO 7-DAY AND 14-DAY INTERVALS OF CULTIVATION PMCID: PMC438109 NUTRIENT DEFICIENCIES IN THE STRAWBERRY LEAF AND FRUIT PMCID: PMC438110 AN INSTALLATION OF LARGE SAND-CULTURE BEDS SURMOUNTED BY INDIVIDUAL AIR-CONDITIONED GREENHOUSES PMCID: PMC438111 THE UTILIZATION OF SULPHATE AND SULPHUR DIOXIDE FOR THE SULPHUR NUTRITION OF ALFALFA PMCID: PMC438112 POLARIZATION AND STIMULATION OF THE ONION ROOT BY DIRECT CURRENT PMCID: PMC438113 PREPARATION OF SYNTHETIC COMPOSTS FOR MUSHROOM CULTURE PMCID: PMC438114 EFFECT OF BORON IN THE SUBSTRATE ON THE RATE OF NITRATE ABSORPTION AND ON NITROGEN DISTRIBUTION IN NASTURTIUM PMCID: PMC438115 CHANGES IN CERTAIN WATER-SOLUBLE NITROGENOUS CONSTITUENTS OF BURLEY TOBACCO DURING CURING PMCID: PMC438116 A QUANTITATIVE STUDY OF CHLOROSIS IN CHLORELLA UNDER CONDITIONS OF SULPHUR DEFICIENCY PMCID: PMC438117 STRUCTURE AND COMPOSITION OF CITRUS LEAVES AFFECTED WITH MESOPHYLL COLLAPSE PMCID: PMC438118 RADIANT ENERGY NOMENCLATURE PMCID: PMC438119 SUGARS IN RELATION TO COLOR AND THIOCYANATE SPRAY IN APPLES PMCID: PMC438120 INFLUENCE OF UNKNOWN FACTORS ON THE VALIDITY OF MATHEMATICAL CORRELATIONS OF BIOLOGICAL DATA PMCID: PMC438121 BORDEAUX INJURY TO FOLIAGE AT LOW TEMPERATURES PMCID: PMC438122 NUTRITIONAL RELATIONSHIPS OF BORON AND INDOLEACETIC ACID IN HEAD LETTUCE PMCID: PMC438123 GERMINATION (EMERGENCE) OF VEGETABLE SEED AS AFFECTED BY DIFFERENT SOIL MOISTURE CONDITIONS PMCID: PMC438124 INFLUENCE OF THE HYDROGEN-ION CONCENTRATION OF THE SUBSTRATE ON THE DEVELOPMENT OF LEAFY MOSS PLANTS PMCID: PMC438125 BRIEF PAPER: BLOSSOM INDUCTION OF THE CRANBERRY PMCID: PMC438126 Note NOTES PMCID: PMC438127 | ||