Effects of foliarly applied volcanic ash on leaf nutrient concentrations and energy budget of Helianthus annuus, Geranium viscossismum, Dipsacus sylvestris, and Rumex crispus
By: by Michael E. Davis.
Published: 1986
Language: eng
Number of pages: 45
Subjects: Plants, Effect of volcanic ash on.; Volcanic ash, tuff, etc. -- Physiological effect.
Notes: Typescript.

Thesis (M.S.)--Washington State University, 1986.

Bibliography: leaves 38-45.

WSU:"Department of Forestry and Range Management."