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Table 2 Mean C stocks ± standard error (Mg/ha) in cocoa trees, shade trees, stumps and litter components as influenced by region [Eastern (E), Western (W)] and system [shaded (S), unshaded (U)] and their interactions, (n = 12)

From: Carbon storage in Ghanaian cocoa ecosystems

Factor

Treatment

Cocoa

Shade

Stumps

Litter

Region

E

15.2 ± 1.0

10.2 ± 6.4

0.16 ± 0.02

2.3 ± 0.2

W

13.5 ± 1.0

16.4 ± 6.4

0.12 ± 0.02

2.4 ± 0.2

System

S

12.7 ± 1.1

13.3 ± 4.1

0.07 ± 0.02

2.6 ± 0.2

U

16.1 ± 1.1

n.a.

0.21 ± 0.02

2.2 ± 0.2

Region * System

E * S

13.6 ± 1.5

10.2 ± 6.4

0.12 ± 0.03

2.3 ± 0.2

E * U

16.9 ± 1.5

n.a.

0.19 ± 0.03

2.4 ± 0.2

W * S

11.8 ± 1.6

16.4 ± 6.4

0.01 ± 0.03

2.9 ± 0.2

W * U

15.2 ± 1.5

n.a.

0.24 ± 0.03

1.9 ± 0.2

  1. Age of farms appearing as covariate in the statistical model used
  2. Not applicable