soil particle size and their classification [no_toc]
Soil particles |
USDA |
ISSS |
| Clay | <0.002 mm | 0.002 mm |
| Silt | 0.002 –0.05 mm | 0.02 mm |
| Very fine sand | 0.05 –0.1 mm | – |
| Fine sand | 0.1 –0.25 mm | 0.2 mm |
| Medium sand | 0.25 –0.5 mm | – |
| Coarse sand | 0.5 –1.0 mm | 2 mm |
Very coarse |
1.0 –2.0 mm |
– |
USDA – United State Department of Agriculture
ISSS – Indian Society of Social Science
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