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ห้องสมุดกรมพัฒนาที่ดิน

ภาคผนวกที่ 5 ค าอธิบายหน้าตัดดิน ชุดดินท่าแซะ (Tha Sae series: Te)
ลักษณะหน้าตัดดิน ชั้นดิน ความลึก ค าอธิบายชั้นดิน

(ซม.)
Ap 0-21 Dark brown to brown (10YR4/3) fine sandy loam; weak fine subangular blocky
structure; friable, slightly sticky and nonplastic; few fine interstitial pores; many
fine roots; slightly acid (field pH 6.5); abrupt smooth boundary.
Bt1 21-50 Yellowish brown (10YR5/6) fine sandy clay loam; weak fine and medium
subangular blocky structure; friable, slightly sticky and slightly plastic; common
fine interstitial pores and few discontinuous, opened random tubular pores; few
fine roots; moderately acid (field pH 6.0); gradual smooth boundary.
Bt2 50-67 Yellowish brown (10YR5/8) fine sandy clay loam; weak fine and medium
subangular blocky structure; friable, sticky and slightly plastic; patchy thin cutan
along the animal holes and discontinuous patchy thin around peds surface;
many fine interstitial pores and few discontinuous, opened random tubular
pores; very few fine roots; strongly acid (field pH 5.5); gradual smooth boundary.
Bt3 67-100 Strong brown (7.5YR5/8) sandy clay loam; weak fine and medium subangular
blocky structure; friable, sticky and slightly plastic; patchy thin cutan along peds
surface; many fine interstitial pores and few discontinuous opened random
tubular pores; strongly acid (field pH 5.5).