Relative toxicity of aluminum, boron, and manganese at various pH levels to Croft lilies
By: by Vernon Albert Clarkson.
Published: 1952
Language: eng
Number of pages: 50
Subjects: Lilies -- Effect of minerals on.; Plants, Effect of minerals on.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1952.

Bibliography: leaves 47-50.