Disease reports of the North-Central Regional Plant Introduction Station, nos. 1-21, 1960-1967.
By: Assembled by E. E. Leppik.
Contributors: North Central Regional Plant Introduction Station.
Published: 1968
Place of publication: Ames, Iowa
Language: eng
Subjects: Plant diseases.
Notes: Includes bibliographies. "List of publications of Elmar E(mil) Leppik, 1924-1965" (21 p. at end)
At head of title: Agricultural Research Service, U.S. Dept. of Agriculture, Beltsville, Maryland.
Numbers 15-21, reprinted from various sources, have been numbered by the author.