ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
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Ap
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0-13
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Brown to dark brown (7.5YR4/4) medium sandy loam; weak medium and coarse granular structure; friable, slightly sticky and nonplastic; many very fine and fine interstitial and common fine tubular pores; slightly acid (field pH 6.5); clear smooth boundary. |
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Bw
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13-26
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Yellowish red (5YR4/8) coarse sandy loam; weak medium and coarse subangular structure; friable, slightly sticky and nonplastic; common fine interstitial and tubular pores; plentiful fine and few medium roots; moderately acid (field pH 6.0); clear smooth boundary. |
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Bt1
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26-51
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Yellowish red (5YR4/8) coarse sandy clay; moderate medium and coarse subangular structure; friable, slightly sticky and slightly plastic; common thin clay film on ped faces; common fine interstitial and few fine tubular pores; plentiful fine and few medium roots; moderately acid (field pH 6.0); gradual smooth boundary. |
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Bt2
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51-100
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Red (2.5YR5/8) gravelly sandy clay; moderate fine and medium subangular structure; friable, slightly sticky, slightly plastic; common thin clay film on ped faces; common fine interstitial pores, few fine and medium tubular pores; moderately acid (field pH 6.0). |
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Bt3
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100-140
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Red (2.5YR5/8) gravelly sandy clay. |
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Bt4
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140-170
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Red (2.5YR5/8) very gravelly sandy clay. |
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