The effects of technological progress and weather on corn belt crop yields /
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Ames, Iowa :
Iowa State University, Center for Agricultural and Rural Development,
[1982?]
|
| Series: | CARD report ;
113T. |
| Subjects: |
| Item Description: | "October 1982." |
|---|---|
| Physical Description: | vii, 126 pages : illustrations ; 28 cm. |
| Bibliography: | Bibliography: pages 99-109. |