|
ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
|
|
|
A
|
0-10
|
Brown (10YR4/3) clay loam; weak coarse subangular blocky structure; firm, slightly sticky, slightly plastic; common fine roots; medium acid (field pH 6.0); clear, smooth boundary. |
|
|
|
Bt1
|
10-35
|
Dark yellowish brown to yellowish brown (10YR4-5/4) clay; many medium prominent mottles of red (2.5YR4/6); moderate medium subangular blocky breaking to moderate fine subangular blocky structure; friable, sticky, plastic; patchy thin clay coatings on ped faces; few fine and common medium roots; strongly acid (field pH 5.5); gradual, smooth boundary. |
|
|
|
Bt2
|
35-72
|
Brown (10YR5/3) clay; many medium prominent mottles of red (2.5YR4/6); weak coarse subangular blocky breaking to moderate medium and fine subangular blocky structure; hard, firm, slightly sticky, slightly; plastic; common pressure faces; few fine and medium roots; medium acid (field pH 6.0); clear, smooth boundary. |
|
|
|
C
|
72-110+
|
Very dark grayish brown to dark grayish brown (10YR3-4/2) clay; weak coarse subangular blocky breaking to fine and medium subangular blocky structure; slightly sticky, slightly plastic; common lime concretions; moderately alkaline (field pH 8.0). |
|
|
|
|
|
