Legume inoculation and the litmus reaction of soils.
By: By Karl F. Kellerman ... T.R. Robinson ...
Contributors: Robinson, Thomas Ralph.
Series: United States. Dept of Agriculture. Bureau of Plant Industry. Circular; no. 71
Publisher: Govt. Print. Off.
Published: 1910
Place of publication: Washington
Language: eng
Number of pages: 11
Subjects: Nitrifying bacteria.; Litmus reaction of soils.