POTASSIUM-BEARING MINERALS AS A SOURCE OF POTASSIUM FOR PLANT GROWTH TURK, ERNEST DE TURK, ERNEST DE Less Soil Science. 8(4):269-302, October 1919. Favorites PDF Get Content & Permissions Buy
RELATION OF THE MOISTURE EQUIVALENT OF SOILS TO THE MOISTURE PROPERTIES UNDER FIELD CONDITIONS OF IRRIGATION HARDING, S. T. HARDING, S. T. Less Soil Science. 8(4):303-312, October 1919. Favorites PDF Get Content & Permissions Buy
THE RELATION OF CERTAIN ACIDIC TO BASIC CONSTITUENTS OF THE SOIL AFFECTED BY AMMONIUM SULFATE AND NITRATE OF SODA1 HOWARD, L. P. HOWARD, L. P. Less Soil Science. 8(4):313-322, October 1919. Favorites PDF Get Content & Permissions Buy
CALCIUM AND MAGNESIUM CONTENT OF VIRGIN AND CULTIVATED SOILS AMES, J. W.; SCHOLLENBERGER, C. J. AMES, J. W.; SCHOLLENBERGER, C. J. Less Soil Science. 8(4):323, October 1919. Favorites PDF Get Content & Permissions Buy
