A study of farmers' attitudes toward the use of fertilizer,
for the National Plant Food Institute, /
by National Analysts, inc.
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Viewability
| Item Link | Original Source |
|---|---|
| Full view v.1 | University of Illinois at Urbana-Champaign |
| Full view v.2 | University of Illinois at Urbana-Champaign |
| Full view v.3 | University of Illinois at Urbana-Champaign |