Environmental influence on sunflower (Helianthus annuus L.) yield components and growth
By: by Hiruy Belayneh.
Published: 1981
Language: eng
Number of pages: 197
Subjects: Sunflowers.
Notes: Thesis (Ph. D.)--Washington State University, 1981.

Bibliography: leaves 158-176.

WSU:Another copy on microfilm, no. 6207.

WSU:"Department of Agronomy and Soils."