Page 57 - E-BOOK English

Soil classification

WRB: Eutric Cambisols
Soil taxonomy: Fine, mixed, superactive Fluventic Eutrudepts

Soil series: Bung Chanang series (Bng)

Profile description

 0-10 cm (A) Dark brown (7.5YR 3/2) clay;
strong fine and medium granular structures
at upper most of the layer and strong coarse

subangular blocky breaking to strong fine
and medium subangular blocky structures;

very hard, sticky and plastic; many fine,
common medium and coarse interstitial

pores, few fine and medium tubular pores;
common very fine, few fine and medium

roots; moderately alkaline (field pH 8.0);
clear, smooth boundary.

 10-36 cm (Bw) Reddish brown (5YR 4/4) clay;
moderate coarse subangular blocky breaking

to strong fine subangular blocky structures;
slightly hard, sticky and plastic; many fine

and common medium interstitial, few fine
and medium tubular pores; distinct pressure

faces; common fine, few medium and coarse roots; moderately alkaline (field pH 8.0); clear,
smooth boundary.

 36-70+ cm (Ck) Yellowish red (5YR 4/6) clay with about 80 percent secondary lime

concretion; moderately alkaline (field pH 8.0).

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