Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Conversion coefficients of substances and carbon
| Substance | Carbon emission factor [31, 40–42] | Unit |
|---|---|---|
| Nitrogen fertilizer | 0.858 | kg CO2 eq /kg |
| Phosphate fertilizer | 0.17 | kg CO2 eq /kg |
| Potassium fertilizer | 0.12 | kg CO2 eq /kg |
| Herbicide | 4.70 | kg CO2 eq /kg |
| Insecticide | 4.93 | kg CO2 eq /kg |
| Diesel oil | 0.85 | kg CO2 eq /L |
| Electricity | 0.36 | kg CO2 eq /kWh |
| Coal | 0.52 | kg CO2 eq /kg |
