Table 5 Mean (± standard deviation; n = 4) biomass carbon, soil carbon (SOC) and agroforestry system total (total biomass plus SOC 0–60 cm) carbon stocks (Mg ha−1) for each of the four studied agroforestry practices) and results of 1-way ANOVAs (at α = 0.05)
From: Tree diversity and carbon stocks in agroforestry systems in northern Ethiopia
C_ Stock | Home garden | Parkland | Woodlot | Boundary planting | p |
|---|---|---|---|---|---|
AGB | 5.36 ± 2.92 ab | 5.27 ± 4.36 b | 21.43 ± 8.84 c | 2.78 ± 3.55 a | 0.000 |
BGB | 2.43 ± 1.32 ab | 2.38 ± 1.97 b | 9.70 ± 3.40 c | 1.26 ± 1.61 a | 0.000 |
AGB + BGB | 7.79 ± 4.23 ab | 7.79 ± 4.24 b | 31.12 ± 12.82 c | 4.03 ± 5.15 a | 0.000 |
SOC 0–20 cm | 42.98 ± 7.90 b | 29.77 ± 14.75 a | 41.43 ± 15.60 b | 43.64 ± 14.44 b | 0.001 |
SOC 20–40 cm | 33.33 ± 7.18 b | 20.06 ± 9.13 a | 28.95 ± 11.78 b | 34.95 ± 10.17 b | 0.000 |
SOC 40–60 cm | 28.05 ± 6.92 ab | 21.85 ± 13.48 a | 26.57 ± 10.29 ab | 33.78 ± 14.75 b | 0.014 |
SOC 0–60 cm | 108.81 ± 27.70 b | 71.69 ± 26.33 a | 96.95 ± 31.16 b | 112.74 ± 32.58 b | 0.000 |