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Table 3 Analysis of variance for the soil carbon storage at two depths 0–20 and 20–40 cm for the different forest species grown under four planting spacings

From: Carbon stocks, partitioning, and wood composition in short-rotation forestry system under reduced planting spacing

 

Mean square

Eucalyptus grandis

Factor

Planting spacing (P)

Soil depth (S)

P*S

R 2

CV

Soil carbon stock

93.31*

1496.18*

33.61ns

0.47

16.06

  

Mean square

  

Mimosa scabrella

Factor

Planting spacing (P)

Soil Depth (S)

P*S

R 2

CV

Soil carbon stock

143.94ns

1595.36*

36.89ns

0.41

19.25

  

Mean square

  

Ateleia glazioviana

Factor

Planting spacing (P)

Soil depth (S)

P*Sns

R 2

CV

Soil carbon stock

130.56 ns

1723.73*

5.58

0.51

17.28

  1. *Significant at 5% of error probability; ns, non-significant at 5% of error probability; R2, coefficient of determination; CV, coefficient of variation