Research Article
Land Use Changes Affecting Soil Organic Matter Accumulation in Topsoil and Subsoil in Northeast Thailand
Table 6
Means for soil organic matter content (Mg·ha–1) in soil profiles averaged from four land use types and six locations.
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Means in the same column followed by the different uppercase letters are significantly different by LSD (). aOne soil depth (0–100 cm); btwo soil depths, including topsoil (0–20 cm) and subsoil (20–100 cm); cfive soil depths, including 0–20, 20–40, 40–60, 60–80, and 80–100 cm. |