| Abbreviation | Definition |
|---|---|
| NGFA | National Grain and Feed Association |
| NGFM | New Glasgow Farmers Market |
| NGFM | North Gower Farmers' Market |
| NGH | National Goat Handbook |
| NGSA | Nutrition and Gender Sensitive Agriculture |
| NHDA | New Hampshire Department of Agriculture |
| NHF | Natural Health Farm |
| NHFB | New Hampshire Farm Bureau |
| NHT | Negative Herd Test |
| NIAB | National Institute of Agricultural Botany |
| NIAI | National Institute of Animal Industry |
| NIAM | National Institute of Agricultural Marketing (India) |
| NICRA | National Initiative on Climate Resilient Agriculture |
| NICRA | National Innovations on Climate Resilient Agriculture |
| NICS | National Institute of Crop Science |
| NIFA | National Institute of Food and Agriculture |
| NIFA | Nuclear Institute for Food and Agriculture |
| NIFTI | National Incubator Farm Training Initiative |
| NILE | Northern International Livestock Expo |
| NIOP | National Institute of Oilseed Products |