soil

 

In Tamil Nadu, there are types of soil such as loam, silt, silt and clay.[16] There are other types of soils in Sri Lanka.[17] Other countries have soil types that differ from these. Soil fertility is an important factor for growing crops. Different crops require different types of soil to grow. Alluvial soil found in river basins is a fertile soil. This is because the rivers flowing down from the mountain continuously bring and add nutrients. Soil types such as loamy soil and steppe soil are fertile soil types that are widely used for agriculture. Apart from geographic factors, social and economic factors also determine the types of agriculture practiced by people living in different regions.

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