Table 4 Physicochemical properties of the Pb-contaminated soil used in this study.
From: Biochar amendment immobilizes lead in rice paddy soils and reduces its phytoavailability
Parameter | Value |
|---|---|
pH | 6.05 |
CEC (cmol+ kg−1) | 17 |
Organic matter (g kg−1) | 21.86 |
Metals (mg kg−1) | |
 Cd | 5.88 |
 Pb | 1602 |
 Zn | 2132 |
Exchangeable cation (cmol+ kg−1) | |
 Ca | 6.94 |
 Mg | 1.06 |
 K | 0.84 |
 Na | 0.51 |
 Soil texture | Silty loam |
Particle size distribution (%) | |
 Sand | 44.56 |
 Silt | 48.21 |
 Clay | 7.23 |
