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Table 3 Effects of sub-watersheds, landscape positions, and land-use types on biomass carbon stock and exported and sequestered carbon

From: Sustainable land management interventions lead to carbon sequestration in plant biomass and soil in a mixed crop-livestock system: the case of Geda watershed, central highlands of Ethiopia

 NMg ha−1
MS carbon stock (1)DS carbon stock (2)Exported carbon (1–2)CO2 equiv. (SC)
Sub-watershed (SW)
 Untreated402.95b0.14b2.81a0.52b
 Treated504.33a2.52a1.82b9.24a
Landscape position (LP)   
Untreated upper202.69b0.12c3.060.45c
  Lower203.22b0.16c2.570.57c
Treated upper202.86b1.09b1.773.98b
  Lower305.32a3.47a1.8412.75a
Land-use types (LU)
Untreated crop203.46b0.16c3.30a0.58c
  Grazing202.45c0.12c3.07a0.44c
Treated crop204.02b0.95b2.33b3.48b
  Grazing202.24c0.84b1.40c3.10b
  Tree lucerne109.15a9.01a0.14d33.07a
P-SW ************
P-LP ******ns***
P-LU ************
  1. Means within columns under each topic followed by different letter(s) are significantly different from each other at P ≤ 0.05; ***significant at P ≤ 0.001; ns non-significant, MS main season, DS dry season, equiv. equivalent