ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
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A
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0-10
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Dark brown to brown (7.5YR4/4) sandy loam; moderate fine to medium subangular blocky structure; friable, nonsticky and nonplastic; many fine roots, very strongly acid (field pH 4.5); clear smooth boundary. |
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AB
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10-22
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Reddish brown to yellowish red (5YR4/4-6) sandy loam; weak to moderate medium to coarse subangular blocky structure; friable, nonsticky and nonplastic; many interstitial and few fine to medium tubular pores; many fine roots, very strongly acid (field pH 4.5); clear smooth boundary. |
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Bt1
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22-44
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Yellowish red to red (5-2.5YR5/6) sandy loam; weak to moderate medium and coarse subangular blocky structure; slightly firm, slightly sticky and nonplastic; few thin cutan in pores; many very fine to fine interstitial and common fine tubular pores; many fine and few medium roots, very strongly acid (field pH 4.5); diffuse smooth boundary. |
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Bt2
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44-80
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Red (2.5YR5/6) sandy loam; weak to moderate coarse subangular blocky structure; friable, slightly sticky and nonplastic; common thin cutan on ped faces; many very fine interstitial and common fine tubular pores; many fine roots; extremely acid (field pH 4.0); clear wavy boundary. |
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Bt3
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80-100+
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Red (2.5YR4-5/6) sandy clay loam; weak to moderate coarse subangular blocky structure; friable, slightly sticky and slightly plastic; common thin cutan on ped face and in pores; many very fine interstitial and common fine tubular pores; few fine roots, extremely acid (field pH 4.0). |
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