Agricultural varieties of the cowpea and immediately related species.
By: By C.V. Piper ...
Series: United States. Department of Agriculture. Bureau of Plant Industry. Bulletin; no. 229; Bulletin (United States. Bureau of Plant Industry),; no. 229.
Publisher: Govt. Print. Off.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 160
Subjects: Cowpea.