ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
|
|
|
Ap
|
0-11
|
Brown to dark brown (7.5YR4/4) sandy loam; weak very fine and fine subangular blocky structure; very friable, nonsticky and nonplastic; many very fine and fine interstitial pores and common fine tubular pores; many fine and few medium roots; strongly acid (field pH 5.5); clear smooth boundary. |
|
|
|
Bw
|
11-26
|
Strong brown (7.5YR5/6) sandy loam; moderate fine and medium subangular blocky structure; friable, nonsticky and nonplastic; iron oxide coated on sand grains and bridge about 10-20%; common very fine and fine interstitial pores, few fine tubular pores; many fine roots; very strongly acid (field pH 5.0); gradual smooth boundary. |
|
|
|
Bt1
|
26-80
|
Yellowish red to strong brown (5-7.5YR5/8) sandy loam to sandy clay loam; moderate medium subangular blocky structure; friable, slightly sticky and nonplastic; patchy thin cutan on ped faces and continuous thin cutan along roots channels; common very fine interstitial and few fine tubular pores; common fine and few medium roots; very strongly acid (field pH 5.0); gradual smooth boundary. |
|
|
|
Bt2
|
80-110
|
Yellowish red (5YR5/8) sandy clay loam; moderate medium subangular blocky structure; friable, slightly sticky and slightly plastic; patchy thin cutan on ped faces and continuous thin cutan along roots channels; many fine interstitial and common medium tubular pores; few fine roots; very strongly acid (field pH 5.0); gradual smooth boundary. |
|
|
|
Bt3
|
110-160
|
Red to yellowish red (2.5-5YR5/8) sandy clay loam; moderate medium subangular blocky structure; friable, slightly sticky and slightly plastic; patchy thin cutan on ped faces and continuous thin cutan along roots channels; many fine interstitial and common medium tubular pores; common medium roots; very strongly acid (field pH 5.0). |
|
|
|
