A STUDY OF THE NATURE OF THE NITROGENOUS COMPOUNDS IN FUNGOUS TISSUE AND THEIR DECOMPOSITION IN THE SOIL HECK, A. FLOYD HECK, A. FLOYD Less Soil Science. 27(1):1-48, January 1929. Favorites PDF Get Content & Permissions Buy
THE INFLUENCE OF THE REPLACEABLE BASES ON THE SOIL SOLUTION FORMATION IN MINERALIZED SOILS MENCHIKOWSKY, F.; RAVIKOVITCH, S. MENCHIKOWSKY, F.; RAVIKOVITCH, S. Less Soil Science. 27(1):49-68, January 1929. Favorites PDF Get Content & Permissions Buy
THE TOLERANCE LIMIT OF SEEDLINGS FOR ALUMINUM AND IRON AND THE ANTAGONISM OF CALCIUM SKEEN, JOHN R. SKEEN, JOHN R. Less Soil Science. 27(1):69-80, January 1929. Favorites PDF Get Content & Permissions Buy
Lehrbuch der Agrikulturchemie (Textbook of Agricultural Chemistry WAKSMAN, S. A. WAKSMAN, S. A. Less Soil Science. 27(1):81, January 1929. Favorites PDF Get Content & Permissions Buy