Legumes and grasses in dryland cropping systems in the northern and central Great Plains : a review of the literature /
by Paul L. Brown.
- Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1964.
- 64 p. : ill., maps ; 24 cm.
- Miscellaneous publication / United States Department of Agriculture ; no. 952 .
- Miscellaneous publication (United States. Department of Agriculture) ; no. 952. .