This journal provides immediate access to some articles. Volume 25(4); October 1950 Articles THE EFFECT OF PREHARVEST FOLIAGE SPRAYS OF CERTAIN GROWTH REGULATORS ON SPROUT INHIBITION AND STORAGE QUALITY OF CARROTS AND ONIONS PMCID: PMC437466 INTERACTION OF CYSTINE AND CASEIN HYDROLYSATE DURING THE AUTOCLAVING OF A MICROBIOLOGICAL ASSAY MEDIUM PMCID: PMC437467 MOLYBDENUM NUTRITION OF ALFALFA PMCID: PMC437468 GROWTH OF WALNUT TREES AS AFFECTED BY IRRIGATION AND NITROGEN DEFICIENCY PMCID: PMC437469 CHELATION OF TRACE METALS IN NUTRIENT SOLUTIONS PMCID: PMC437470 INHIBITION OF CURVATURE RESPONSES BY SHUNTING THE INHERENT ELECTRICAL FIELD PMCID: PMC437471 GROWTH OF ANANAS COMOSUS (L.) MERR. AT DIFFERENT LEVELS OF MINERAL NUTRITION UNDER GREENHOUSE AND FIELD CONDITIONS. I. PLANT AND FRUIT WEIGHTS AND ABSORPTION OF NITRATE AND POTASSIUM AT DIFFERENT GROWTH INTERVALS PMCID: PMC437472 A STUDY OF CERTAIN NUTRIENT LEVELS FOR RASPBERRIES GROWN IN WATER CULTURES PMCID: PMC437473 CATALASE ACTIVITY IN CHLOROPLAST PIGMENT DEFICIENT TYPES OF CORN PMCID: PMC437474 A STUDY OF POTASSIUM ABSORPTION BY BARLEY ROOTS PMCID: PMC437475 THE ACTION OF INHIBITORS ON WATER UPTAKE BY POTATO TISSUE PMCID: PMC437476 THE PHOSPHORUS UPTAKE OF ANDROPOGON ISCHAEMUM L. AT VARIOUS STAGES OF DEVELOPMENT PMCID: PMC437477 SULPHUR DIOXIDE FUMIGATION OF WHEAT WITH SPECIAL REFERENCE TO ITS EFFECT ON YIELD PMCID: PMC437478 GROWTH RESPONSES OF TOMATO TO NUTRIENT IONS ADSORBED ON A PUMICE SUBSTRATE PMCID: PMC437479 SEASONAL FLUCTUATIONS OF ROOT RESERVES IN RED CLOVER, TRIFOLIUM PRATENSE L PMCID: PMC437480 IN VITRO TESTS OF ABSCISSION AGENTS PMCID: PMC437481 INHIBITION OF NITRATE ASSIMILATION IN EXCISED WHEAT ROOTS BY VARIOUS RESPIRATORY POISONS PMCID: PMC437482 FLUORINE TOXICITY IN TOMATO AS MODIFIED BY ALTERATIONS IN THE NITROGEN, CALCIUM, AND PHOSPHORUS NUTRITION OF THE PLANT PMCID: PMC437483 SOIL AERATION AS A FACTOR IN WATER ABSORPTION BY THE ROOTS OF TRANSPIRING PLANTS PMCID: PMC437484 Brief Papers: THE PHOTOINACTIVATION OF ENZYMES BY RIBOFLAVIN PMCID: PMC437485 TECHNIQUE FOR GROWING PLANTS WITH ROOTS IN A STERILE MEDIUM PMCID: PMC437486 Note NOTES PMCID: PMC437487 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||