Page 173 - การศึกษาลักษณะและสมบัติของดินที่มีวัตถุต้นกำเนิดจากหินแกรนิตบริเวณจังหวัดอุทัยธานี
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ห้องสมุดกรมพัฒนาที่ดิน
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                                     คําอธิบายหนาตัดดิน พีดอน 2 ชุดดินบานไร (Ban Rai series)
                       I  Information on the site

                       Profile symbol                      : Pedon 2
                       Soil name                           : Ban Rai series
                       Classification                      : Coarse-loamy, mixed, active, isohyperthermic
                                                           Typic Haplustalfs
                       Date of examination                 : February 20, 2014
                       Described by                        : Danai Sanchanthong, Krishna Rammasoot,
                                                           Pochara Ariyaskul and Meta Srithongkhum
                       Location                            : Ban I Le, Tumbon Chao Wat,
                                                             Amphoe Ban Rai, Changwat Uthaithani
                       Elevation                           : Approximately 271 m (MSL)
                       Map sheet number                    : 4839 II Coordination: 47P 0545038E, 1673736N
                       Landform
                            1. Physiographic position      : hills
                            2. Surrounding land form       : Undulating
                            3. Slope on which profile site  : 9 %
                       Land use                            : Cassava
                       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 colluviums from granite
                       Drainage                            : Well drained
                       Permeability                        : Moderately rapid
                       Runoff                              : Medium
                       Depth of ground water               : -
                       II  Profile description

                          Horizon  Depth                               Description
                                      (cm)

                          Ap          0-18       Very  dark  grayish  brown  (10YR  3/2);  slightly  gravelly
                                                 sandy loam; moderate fine subangular blocky structure;
                                                 slightly  hard,  friable,  non  sticky  and  non  plastic;
                                                 common  very  fine  interstitial  and  few  coarse  tubular
                                                 pores; many very fine to medium roots; moderately acid
                                                 (field pH 6.0); clear, smooth boundary to AB.
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