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ห้องสมุดกรมพัฒนาที่ดิน
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คําอธิบายหนาตัดดิน พีดอน 1 ชุดดินทับเสลา (Thap Salao series)
I Information on the site

Profile symbol : Pedon 1
Soil name : Thap Salao series
Classification : Loamy-skeletal, mixed, superactive,
isohyperthermic Ultic Haplustalfs
Date of examination : June 26, 2014
Described by : Danai Sanchanthong, Krishna Rammasoot,
Pochara Ariyaskul and Meta Srithongkhum
Location : Phai Srithong abbey, Ban Phai Srithong,
Tumbon Rabum, Amphoe Lan Sak, Changwat
Uthaithani
Elevation : Approximately 187 m (MSL)
Map sheet number : 4840 II Coordination: 47P 0543139E, 1725018N
Landform
1. Physiographic position : hills
2. Surrounding land form : Undulating
3. Slope on which profile site : 9 %
Land use : Dry dipterocarp forests
Annual rainfall : Approximately 1,141 mm.
๐
Mean temperature : Approximately 29.5 C
Climate : Tropical savanna
II General information on the soil
Parent material : Residuum and colluvium from gneissic granite
Drainage : Well drained
Permeability : Rapid
Runoff : Medium
Depth of ground water : -
II Profile description

Horizon Depth Description
(cm)
A 0-10 Very dark grayish brown (10YR 3/2); gravelly sandy
loam; weak fine to medium subangular blocky
structure partly to single grain structure; soft, very
friable, non sticky and non plastic; many fine interstitial
pores; many very fine to fine and few coarse roots;
many rock fragment (quartz grain) diameter 0.5-3 cm
and few fine mica; slightly acid (field pH 6.5); clear,
smooth boundary to Bt.