Page 105 - E-BOOK English

Soil classification

WRB: Skeletic Leptosols
Soil taxonomy: Loamy-skeletal, mixed, semiactive, acid, isohyperthermic, shallow Typic Udorthents

Soil series: Huai Yot series (Ho)

Profile description

 0-10 cm (A) Dark yellowish brown (10YR 4/4)
loam; weak medium granular structure; friable,
nonsticky and nonplastic; many fine interstitial

pores, common fine and medium tubular pores;

many fine and common coarse roots; strongly
acid (field pH 5.0); clear, smooth boundary.

 10-20/36 cm (C) Yellowish brown (10YR 5/4-6)
very gravelly loam; weak medium and coarse
subangular blocky structures; friable, slight-

ly sticky and slightly plastic; common fine
and common very fine tubular pores;

gravels composed of shale fragments; very
strongly acid (field pH 5.0); clear, smooth

boundary.

 20/36+ cm (Cr) Level-bedded shale.

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