Alkaloid composition of nicotiana rustica strains
By: R. N. Jeffrey
Contributors: United States. Agricultural Research Service
Series: ARS 34 -- 3; ARS 34 -- 3.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1957
Place of publication: [Beltsville, Md.]
Language: eng
Subjects: Tobacco; Analysis; Composition
Notes: Cover title.

At head of title: Crops research.

Includes bibliographical references (p. [9]).