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Filter: Subject of alfalfa
| Date: | 1926 |
|---|---|
| Description: | Comparative infection of "yellows" in a field of alfalfa and sweet clover. |
| Date: | 09 1929 |
|---|---|
| Description: | View from rear of a man using a Farmall tractor and a McCormick-Deering lime sower to fertilize an alfalfa field at International Harvester's Hinsdale expe... |
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