00844cam a22002411 4500 agr10001751 DLC 20260227110931.0 930505s1910 dcu f000 0 eng c agr10001751 (OCoLC)28046349 U.S. Dept. of Agriculture Library NNM NNM OCoLC DLC premarc SB19 .A33 no. 71 Kellerman, Karl F. (Karl Frederic), 1879-1934. Legume inoculation and the litmus reaction of soils. By Karl F. Kellerman ... T.R. Robinson ... Washington, Govt. Print. Off., 1910. 11 p. 23 cm. United States. Dept of Agriculture. Bureau of Plant Industry. Circular no. 71 Nitrifying bacteria. Litmus reaction of soils. Robinson, Thomas Ralph. 7864 7864