Page 86 - E-BOOK English

Mollic Gleysols

Mollic Gleysols have a thick and permeability are slow. They are deep,
dark-coloured surface horizon with a high base slightly acid to moderately alkaline soils

saturation and a moderate to high content of and characterized by a thick black A horizon
organic matter. overlying a paler coloured, predominantly

Bang Len series (Bl) is a representative yellowish brown mottled B horizon, which in
of Mollic Gleysols. Bang Len soils are formed turn overlies a reduced marine clay horizon
from marine sediments mixed with riverine which is low in sulphur. Gypsum crystals occur

alluvium under brackish water influence. They in the lower A and B horizons. Slickensides and

occur in former tidal flats or alluvial plain. pressure faces are found in the B horizon. Soil
Relief is flat. Slopes are about 0-1 percent. This pH is neutral to moderately alkaline (pH 7-8).
soil is typically found moderately extent in the Land use limitation is 50-200 cm flooding depth

Central Plain. Drainage is poorly drained. Runoff over a period of 6 months per year.

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