Table 1 Soil carbon storage for the different forest species grown under four planting spacings at 9 years old
Species | Spacing (m) | Depth (cm) | Soil carbon stock (Mg C ha−1) | Standard deviation |
|---|---|---|---|---|
Eucalyptus grandis | 3.0 × 1.5 | 0–20 | 45.860 aA* | 0.431 |
20–40 | 39.293 bA | 0.748 | ||
3.0 × 1.0 | 0–20 | 41.836 aA | 0.463 | |
20–40 | 32.220 bB | 0.844 | ||
2.0 × 1.5 | 0–20 | 41.474 aA | 0.384 | |
20–40 | 34.619 bB | 0.961 | ||
2.0 × 1.0 | 0–20 | 46.153 aA | 0.967 | |
20–40 | 33.235 bB | 0.756 | ||
Mimosa scabrella | 3.0 × 1.5 | 0–20 | 37.623 aA | 0.911 |
20–40 | 31.280 bB | 0.651 | ||
3.0 × 1.0 | 0–20 | 45.642 aA | 0.998 | |
20–40 | 34.279 bAB | 0.658 | ||
2.0 × 1.5 | 0–20 | 44.466 aA | 0.455 | |
20–40 | 36.806 bA | 0.623 | ||
2.0 × 1.0 | 0–20 | 43.359 aA | 0.539 | |
20–40 | 31.066 bB | 0.649 | ||
Ateleia glazioviana | 3.0 × 1.5 | 0–20 | 41.451 aA | 0.220 |
20–40 | 33.171 bA | 0.183 | ||
3.0 × 1.0 | 0–20 | 40.456 aA | 0.317 | |
20–40 | 30.813 bA | 0.643 | ||
2.0 × 1.5 | 0–20 | 45.789 aA | 0.377 | |
20–40 | 35.369 bA | 0.769 | ||
2.0 × 1.0 | 0–20 | 46.728 aA | 0.397 | |
20–40 | 35.927 bA | 0.852 |