ON THE USE OF THE CONVENTIONAL CARBON FACTOR IN ESTIMATING SOIL ORGANIC MATTER
THE RELATION OF HYDROGEN-ION CONCENTRATION IN SOILS TO THEIR “LIME REQUIREMENT”
ALUMINUM SALTS AND ACIDS AT VARYING HYDROGEN-ION CONCENTRATIONS, IN RELATION TO PLANT GROWTH IN WATER CULTURES
THE CLASSIFICATION OF SOIL MOISTURE
FERROUS SULFATE TREATMENT OF SOIL AS INFLUENCING THE SOIL SOLUTION OBTAINED BY THE LIPMAN PRESSURE METHOD
THE MOVEMENT OF SATURATED WATER VAPOR THROUGH QUARTZ FLOUR