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¤Ó͸ԺÒÂâ»Ãä¿Åì´Ô¹ |
ª×èͪش´Ô¹ : â¾¹§ÒÁ Phon Ngam (Png) |
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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A1
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0-5
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Dark brown to brown (10YR4/3) sandy loam; weak fine and medium subangular blocky structure; friable, nonsticky, nonplastic, many fine roots; slightly acid (field pH 6.5); gradual, smooth boundary. |
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A2
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5-18
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Strong brown (7.5YR5/6) sandy loam; weak fine and medium subangular blocky structure; friable, nonsticky, nonplastic; many fine and common medium roots; medium acid (field pH 6.0); clear smooth boundary. |
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Bt1
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18-72
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Red (2.5YR4/8) sandy clay loam; moderate coarse subangular blocky structure; slightly firm, slightly sticky, slightly plastic; patchy moderately thick clay coating on ped faces; few fine, medium and coarse roots; strongly acid (field pH 5.5); gradual, smooth boundary. |
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Bt2
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72-100
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Red (2.5YR4/6) gravelly sandy clay loam; weak coarse subangular blocky structure; slightly firm, slightly sticky, slightly plastic; patchy thin clay coating on ped face; few fine medium and coarse roots; very strongly acid (field pH5 4.5); gradual, smooth boundary. |
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Cr
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100+
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Weathered sandstone layer |
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