00776cam a22002291 4500 agr07001916 DLC 20260227110926.0 940204s1907 dcuf 000 0 eng c agr07001916 (OCoLC)29750112 Library, U.S. Dept. of Agriculture CU CU DLC S591 .A12 no. 40 S598 .S4 Copy 2. Schreiner, Oswald, 1875- Some factors influencing soil fertility. By Oswald Schreiner and Howard S. Reed. Washington, Govt. print. off., 1907. 40 p. III pl. 23 cm. United States. Bureau of Soils. Bulletin 40 Soils Analysis. Reed, Howard S. (Howard Sprague), 1876-1950, jt. author. 7478 7478