The effect of petroleum-oil sprays on insects and plants
By: [by] M.D. Farrar. Printed by authority of the state of Illinois.
Series: Illinois. Natural history survey. Bulletin.; 21, article 1
Published: 1936
Place of publication: Urbana, Ill
Language: eng
Number of pages: 32
Subjects: Spraying.; Petroleum.
Other titles: Petroleum-oil sprays on insects and plants.
Notes: Bibliography: p. 29-32.
At head of title: State of Illinois. Department of registration and education. Division of the natural history survey, Theodore H. Frison, chief.