| % | percent. |
| m | meter. |
| cm | centimeter. |
| in | inch. |
| FADH | forced air dry heat. |
| VH | vapor heat. |
| ft | feet. |
| ppm | parts per million. |
| g | gram. |
| kg | kilograms. |
| MT | metric tons. |
| lbs | pounds. |
| lbs/in2 | pounds per square inches. |
| lb/ft2 | pounds per square foot. |
| ml | milliliter. |
| °C | degrees Celcius. |
| gals | gallons. |
| oz | ounce. |
| °F | degrees Farenheit. |
| ha's | hectares. |
| m | meters. |
| l litres. | litres. |
| Ton/ha | tones per hectares. |
| H | hours. |
| $/kg | US dollars/Kilograms. |
| min | minutes. |
| Fig | Figure. |
| USA | United States of America. |
| $ | US dollars. |