| Abbreviation | Definition |
|---|---|
| AERC | Agricultural Engineering Research Center |
| AERC | Agriculture Economics and Rural Communities |
| AESA | Agro Ecological System Analysis |
| AESA | Alberta Environmentally Sustainable Agriculture |
| AESC | Agricultural Equipment Statistics Committee |
| AESI | Agricultural Economics Society of Ireland |
| AESI | Agricultural Environmental Stewardship Initiative |
| AESI | Agricultural Environmental Stewardship Initiative?? |
| AESSL | Agricultural Engineering Society of Sri Lanka |
| AET | Agricultural Experience Tracker |
| AETL | Agricultural and Environmental Testing Lab |
| AEZ | Agriculture Export Zone |
| AF | After Fall |
| AFA | Agricultural Farms Anonymous |
| AFA | Agriculture Fairness Alliance |
| AFA | Agriculture Future of America |
| AFAP | African Fertilizer and Agribusiness Partnership |
| AFBF | American Farm Bureau Federation |
| AFCC | Atlantic Field Crops Committee |
| AFCD | Agriculture Fisheries and Conservation Department |