The purpose of this study the sediment environment of science and explain the occurrence of soil yasothon. The bypass Khon Kaen, northwest corner, Khon Kaen.Is a field study and analysis in the laboratory with separate grain size sediment dredging Inspection of the specific gravity. Testing and pH. The researcher collected all the sediment 13 samples in the study area.Is a coarse and fine sediment bottom size over the top. Below is a square shape granular sludge and sediment have large quantities are accumulated to the top.The size is in the range of sizing is quite good to sizing. The specific gravity of the sludge, all samples are in the range of 2.45-2.70 g / cm (3). Bottom sediment and acidic conditions at the top with the acidity, it can be concluded that the soil yasothon caused by the deposition of sediment with only the vertical loading.Which looks like this must be born within the same period and consecutive
.Key words soil yasothon, sediment Science
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