Page 153 - การศึกษาลักษณะและสมบัติของดินที่มีวัตถุต้นกำเนิดจากหินแกรนิตบริเวณจังหวัดอุทัยธานี

ห้องสมุดกรมพัฒนาที่ดิน
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ตารางที่ 6-1 ความสัมพันธระหวางสภาพพื้นที่และชุดดินที่มีวัตถุตนกําเนิดจากหินแกรนิต

Parent material : Residuum and colluvium from granite Relief : Undulating landform : hills, footslopes

# 10YR3-5/2-4 gsl A 10 # 10-7.5YR3-5/2-6 sgsl A 18 # 5-7.5YR4-5/3-6 sl A 12

# argillic horizon vgsl Bt 30 # argillic horizon sgsl AB 30 # argillic horizon sl BA 38
moderately deep very deep

# shallow soil (d2) Coarse-loamy # moderately deep (d3) Coarse-loamy # very deep (d5)
exgsl BCr 90 gsl Bt 90
# many rock fragment # many rock fragment sl Bt 170
# many rock fragment
in subsoil exgsl BCr 140 in subsoil

# well drained - Cr 200 # well drained
shallow - Cr 200 moderately deep # well drained gsl BCr 200
# BS 35-75 % Loamy-skeletal # BS 35-75 % Coarse-loamy # BS >35 %

Tas (Thap Salao series) Bar (Ban Rai series) Lsk (Lan Suk series)

Loamy-skeletal, mixed, superactive, isohyperthermic Coarse-loamy, mixed, active, isohyperthermic Coarse-loamy, mixed, semiactive, isohyperthermic
Ultic Haplustalfs Ultic Haplustalfs Typic Paleustalfs

Parent material : Alluvium from mainly granite Relief : Gently undulating to Nearly flat landform : Terrace, Alluvium fan
# 10-7.5YR4-6/3-4 l Apg 12
sl Ap 30 # 10-7.5YR4/1-3
# mod. well drained cl BAg 30
(mottles within 100 cm.) spd # 10-7.5YR5-6/1-2

# mixed color subsoil sl Bt Fine-loamy # Somewhat poorly drained
105 cl Btg 105
# argillic horizon (mottles high chroma)
# argillic horizon
# BS >35 %
mod. well drained # Endosaturation
sgsl Btc 200
Coarse-loamy # lighter texture
sl 2Btg 200

in subsoil (within 150 cm)
Uti (Uthai series) # BS >35 %

Coarse-loamy, mixed, semiactive, isohyperthermic Nch (Nong Chang series)

Oxyaquic Paleustalfs Fine-loamy, mixed, semiactive, isohyperthermic

Aeric Endoaqualfs
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