The Online Books Page

Books by Leroy Childs:

Books in the extended shelves:

• Childs, Leroy, 1888-: The life-history and control of the rose leaf-hopper : an apple pest (Oregon Agricultural College Experiment Station, 1918) (page images at HathiTrust)
• Childs, Leroy, 1888-: New facts regarding the period of ascopore discharge of the apple scab fungus (Oregon Agricultural College Experiment Station, 1917) (page images at HathiTrust)
• Childs, Leroy, 1888-: Observations on winter injury to apple and pear trees in the Hood River Valley (Agricultural Experiment Station, Oregon State University, 1964), also by Gordon G. Brown and Walter M. Mellenthin (page images at HathiTrust)
• Childs, Leroy, 1888-: Oil spray recommendations (Agricultural Experiment Station, Oregon State Agricultural College, 1933), also by R. H. Robinson (page images at HathiTrust)
• Childs, Leroy, 1888-: Petroleum oil spray recommendations and precautions in their use (Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State Agricultural College, 1943), also by R. H. Robinson (page images at HathiTrust)
• Childs, Leroy, 1888-: Report of the Hood River Branch Experiment Station for 1916 (Oregon Agricultural College Experiment Station, 1917), also by C. I. Lewis and Gordon G. Brown (page images at HathiTrust)
• Childs, Leroy, 1888-: Spray gun versus rod and dust in apple orchard pest control (Oregon Agricultural College Experiment Station, 1920) (page images at HathiTrust)
• Childs, Leroy, 1888-: A study of tree stocks in relation to winter injury and its prevention (Agricultural Experiment Station, Oregon State Agricultural College, 1931), also by Gordon G. Brown (page images at HathiTrust)

Find more by Leroy Childs at your library, or elsewhere.