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Soil is made of particles of various sizes. Silt, a constituent of soil, comprises particles of sizes between those of clay and sand. According to the international particle-size system, a silt particle size is about 2 to 50 pm in diameter. It is further divided into fme silt (2 to 20 pm) and coarse silt (20 to 50 pm). The percentage of silt particles in a particular soil is taken into consideration while defining soil texture.Silt is often carried as suspended particles in running water and deposited on riverbeds, riverbanks or in lakes as alluvial sediments.
A soil that contains 40% or more of clay and 40% or more of silt is called silt clay. A soil with 27 to 40% clay and less than 20% sand is known as silt-clay loam. Silt loam has 30% or more silt and 12 to 27% clay. Similarly, silt loam soil consists of 50 to 80% silt, less than 12% clay and the rest sand.
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공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
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Beijing HuaMeiHuLiBiological Chemical | 010-56205725 |
waley188@sohu.com | China | 12338 | 58 |