Page 150 - E-BOOK English

Soil classification

WRB: Gleyic Solonetz
Soil taxonomy: Fine-loamy, mixed, active, isohyperthermic Typic Natraqualfs

Soil series: Kula Ronghai series (Ki)

Profile description

 0-17 cm (Apg) Dark grayish brown (10YR 4/2) fine
sandy loam; common medium distinct brown to
strong brown (7.5YR 4/4-6) mottles; weak fine and
medium subangular blocky structures; friable,
slightly sticky, slightly plastic; many fine roots;
neutral (field pH 7.0); clear, smooth boundary.

 17-45 cm (Btg1) Gray (10YR 5/1) loam; many
medium distinct yellowish brown (10YR5/6) mottles;
moderate medium and coarse prismatic breaking
to medium and coarse subangular blocky structures;
friable, sticky, plastic; broken thin clay coating on
ped faces and in pores; common very fine roots;
few hard Fe/Mn concretions; moderately alkaline
(field pH 8.0); clear, smooth boundary.
 45-60 cm (Btg2) Brown (7.5YR 5/2) loam; many
medium distinct yellowish brown (10YR 5/6)
mottles; moderate medium and coarse subangular
blocky structures; friable, sticky, plastic; broken
thin clay coating on ped faces and in pores;
few very fine roots; common hard Fe/Mn and
secondary lime concretions; moderately alkaline
(field pH 8.0); gradual, smooth boundary.

 60-83 cm (Btg3) Pinkish gray (7.5YR 6/2) loam; many medium distinct yellowish brown (10YR 5/6) mottles;
moderate medium and coarse subangular blocky structures; friable, sticky, plastic; patchy thin clay coat-
ing on ped faces; few very fine roots; few hard Fe/Mn concretions, common hard secondary lime
concretions; moderately alkaline (field pH 8.0); gradual, smooth boundary.

 83-112 cm (Btg4) Gray (7.5YR 6/1) loam; many coarse distinct brownish yellow (10YR 6/8) mottles;
weak medium and coarse subangular blocky structures; sticky, plastic; broken moderately thick
clay coating on ped faces; few very fine roots; few hard Fe/Mn concretions; common secondary
lime concretions; moderately alkaline (field pH 8.0); gradual, smooth boundary.

 112-166 cm (Cg1) Greenish gray (5G 6/1) loam; many coarse prominent yellowish brown (10YR 5/8)
mottles; massive; very sticky, very plastic; pressure faces with thin sand layer and some sand pockets
along cracks; few hard Fe/Mn concretions; few secondary lime concretions, diameter up to 3-5 cm;
moderately alkaline (field pH 8.0); gradual, smooth boundary.
 166-200 cm (Cg2) Light gray (5Y 7/1) loam; many coarse prominent yellowish brown (10YR 5/8)
mottles; massive; very sticky, very plastic; pressure faces with thin sand layer and some sand
pockets along cracks; few hard Fe/Mn concretions; common secondary lime concretions; diameter
up to 3-5 cm; moderately alkaline (field pH 8.0).
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