Table 1 Mean water holding capacity of individual constituents (g water/g dry matter).

From: Spent casing, Sphagnum moss, grass fibers, and green compost as peat alternatives in casing soils for Agaricus bisporus cultivation

Constituent

WHC starting material

WHC saturated material

Peat

3.81

5.17

Spent casing

2.98

5.23

Sphagnum moss

6.20

14.86

Grass A

2.02

11.47

Grass B

1.95

9.97

Green compost

1.41

3.12

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