AVAILABLE PHOSPHORUS IN RELATION TO FORMS OF PHOSPHATES IN SOILS
DETERMINATION OF CATION-EXCHANGE CAPACITY IN COLLOIDAL SOIL MATERIAL BY MEANS OF RADIOSTRONTIUM (Sr 89)
DISPLACEMENT OF IRON FROM FERRIC ETHYLENEDIAMINETETRA-ACETIC ACID AND FERRIC HYDROXYETHYLETHYLENEDIAMINE-TRIACETIC ACID BY COPPER AND ZINC
SOLUBILIZATION OF MINERALS AND RELATED MATERIALS BY 2-KETOGLUCONIC ACID-PRODUCING BACTERIA
SOILS OF THE NORTHERN BROOKS RANGE, ALASKA
CONFIRMATION OF THE NUTRIENT MOBILITY CONCEPT OF SOIL-PLANT RELATIONSHIPS
APPLICATION OF THE GOUY THEORY TO DIVALENT CATIONS
THE MALACHITE-AZURITE EQUILIBRIUM IN SOIL PROFILES
ZINC DEFICIENCY OF THE RUSSET BURBANK POTATO
A NEW SUCTION PLATE APPARATUS FOR EXTRACTION OF SOIL SOLUTION IN CONDUCTIVITY DETERMINATION
INFLUENCE OF VARIOUS NUTRITIONAL DOSES OF CHLORINE ON THE GROWTH OF TOBACCO PLANT AND THE BURNING CAPACITY OF ITS LEAVES
EFFECT OF VARIOUS SALTS ON THE AVAILABILITY OF ZINC AND MANGANESE TO CITRUS