Plant breeding
Contributors: Hays, W. M. 1859-1916.
Series: Vegetable Physiology and Pathology Div. Bull. No. 29; Vegetable Physiology and Pathology Div. Doc. No. 83
Publisher: U.S. G.P.O.
Published: 1901
Place of publication: [Washington?]
Format: Microform
Subjects: Plant breeding.