ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-12
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Very dark gray (10YR3/1) loamy sand; crumb and weak fine subangular blocky structure; friable, nonsticky and nonplastic; many very fine and few fine tubular pores and few fine interstitial pores; many very fine roots; strongly acid (field pH 5.5); clear smooth boundary. |
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AB1
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12-23
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Black to very dark brown (10YR2/1-2) loamy sand; weak fine subangular blocky structure; friable, nonsticky and nonplastic; common very fine and few fine tubular pores and few fine interstitial pores; few very fine roots; strongly acid (field pH 5.5); gradual smooth boundary. |
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AB2
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23-38
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Very dark grayish brown (10YR3/2) loamy coarse sand; weak fine subangular blocky structure; friable, nonsticky and nonplastic; common very fine and fine tubular pores and common very fine interstitial pores; few very fine roots; many fine spot of very dark gray (10YR3/1) in the upper part of the horizon and many fine spot of pale brown (10YR6/3) in the lower part; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bt
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38-56
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Very pale brown (10YR7/3) coarse sandy clay loamy; common fine and medium distinct strong brown (7.5YR5/8) mottles; weak fine subangular blocky structure; friable, slightly sticky and slightly plastic; patchy thin cutan on some ped faces; many very fine, common fine and medium tubular pores and common medium interstitial pores; very few very fine roots; very strongly acid (field pH 4.5-5.0); diffuse smooth boundary. |
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Btg
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56-100
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Light brownish gray (10YR6/2) coarse sandy clay loamy; many medium and coarse distinct strong brown (7.5YR5/6-8) and few fine prominent yellowish red (5YR5/8) mottles; weak fine subangular blocky structure; friable, slightly sticky and slightly plastic; patchy thin cutan on some ped faces; many very fine, fine and few coarse tubular pores and few coarse interstitial pores; very few very fine roots; very strongly acid (field pH 4.5-5.0). |
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