Ground beef is another factor affecting soil organic carbon sequestration in both the study area. According to the study of Kong and board [] found that 35 Soil organic carbon sequestration effect in the soil.Sand (FS) < sand loam (SL) < light loam (LL) < middle loam (ML), which middle loam soil with organic carbon in soil, and the most fine. Sand soil with organic carbon in soil is minimal, and the education of Don and board [] found that 362 times (86 t HA-1) of soil particles with sand (48 t HA-1) at a depth 0-60 cm. And in accordance with the education of 22 Sakin [] found that organic carbon in soil related to ปริมาณดินเหนียว (R2 = 0.96) and silt (R2 = 0.95) than sand (R2 = 0.65) Kong et al, 2009 found that the soil with the proportion of fine particles. It has the potential to store. And the rate of accumulation of organic carbon in the soil.
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