Statistics
Publications
2
Citations
43
H-Index
2
Active since
1954
Affiliations
Iowa State University(Current)
E. R. Duncan is an author at Iowa State University specializing in soil fertility, agriculture, and soil productivity classes.
Publications per year
1954–1971
2
2
Productivity levels of some Iowa soils
T. E. Fenton, E. R. Duncan, W. D. Shrader et al. · Iowa State University Digital Repository (Iowa State University) · 1971 · 24 citations · Full text
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