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.
The composition and characterization of the biochar.
| Parameters | Grass | Chat |
|---|---|---|
| pH | 6.69 ± 0.4 | 5.1 ± 0.2 |
| Electric conductivity (dS m−1) | 0.38 ± 0.03 | 0.25 ± 0.02 |
| Cation exchange capacity (cmolc kg−1) | 29.9 ± 2.4 | 19.8 ± 1.3 |
| Organic matter (OM) | 6.7 ± 1.2 | 1.5 ± 0.07 |
| Sodium | 0.59 ± 0.03 | 0.27 ± 0.01 |
| Potassium | 9.90 ± 1.2 | 4.1 ± 1.1 |
| Magnesium | 8.1 ± 0.9 | 3.45 ± 0.9 |
| Nitrogen | 0.45 ± 0.02 | 0.24 ± 0.03 |
| Sulfur | 52.45 ± 3.45 | 10.4 ± 1.5 |
| Phosphorus | 6.34 ± 0.8 | 0.42 ± 0.06 |
