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| Agricultural experiment stations (28) |
| Agriculture -- Research (28) |
| Alabama Polytechnic Institute. Agricultural Experiment Station (28) |
| Agriculture -- Experimentation (1) |
| Field experiments (1) |
Now showing items 1-5 of 28
| Agricultural experiment stations (28) |
| Agriculture -- Research (28) |
| Alabama Polytechnic Institute. Agricultural Experiment Station (28) |
| Agriculture -- Experimentation (1) |
| Field experiments (1) |