Page 48 - E-BOOK English

Soil classification

WRB: Rubic Arenosols
Soil taxonomy: Coated, isohyperthermic Typic Quartzipsamments

Soil series: Hau Hin series (Hh)

Profile description

 0-12 cm (A) Very dark brown (10YR 2/2) sand;
single grains; loose, nonsticky and nonplastic;

porous; many fine and few medium roots;
common shell fragment; moderately alkaline

(field pH 8.0); abrupt smooth boundary.

 12-45 cm (AC) Dark brown (10YR 3/3) sand;
single grains; loose, nonsticky and nonplastic;

porous; many fine roots; common medium
shell fragment; slightly acid (field pH 6.5);

abrupt smooth boundary.

 45-90 cm (C1) Yellowish brown (10YR 5/8)

sand; single grains; loose, nonsticky and
nonplastic; porous; few fine roots; common
fine shell fragment; neutral (field pH 7.0);

clear smooth boundary.

 90-120 cm (C2) Brown to dark brown

(7.5YR 4/4) sand; single grains; loose,
nonsticky and nonplastic; porous; no roots;

many fine shell fragments; moderately
alkaline (field pH 8.0); clear smooth boundary.

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