👤

E. R. Swanson

b. 1921 ยท 6 books

Books by E. R. Swanson

Swanson family history
Swanson family history
1993
Economic effects of controls on nitrogen fertilizer
Economic effects of controls on nitrogen fertilizer
1978
Omega in the Atlantic (1963-1965)
Omega in the Atlantic (1963-1965)
1966
Highest return farming systems for Drummer-Flanagan soils
Highest return farming systems for Drummer-Flanagan soils
1958
Variability of yields and income from major Illinois crops 1927-1953
Variability of yields and income from major Illinois crops 1927-1953
1957
Resource productivity in Iowa
Resource productivity in Iowa farming
1952