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Table 2 General characteristics of WDC and AC

From: Effect of humic substances and clay minerals on the hydrosorption capacity of clay particles in meadow soils (Middle Priamurje, Far East of Russia)

Sub fraction

Horizon, depth, cm

Content (%)

S (m2/g)

C-OM (%)

Fe2O a3 (%)

WDC

Ag 0–14

1.6

113.7

9.9

2.10

Elcg 22–30

9.9

125.8

3.2

1.79

Btg1 90–100

19.2

225.0

1.4

2.19

AC

Ag 0–14

38.0

177.5

13.3

1.99

Elcg 22–30

19.0

220.5

3.6

6.56

Btg1 90–100

39.7

253.0

1.5

3.88

  1. S surface area, C-OM organic matter carbon
  2. aFe2O3, dithionite–citrate–bicarbonate extracted