Khadar - alluvial soil
Khadar is also known as fresh alluvial soil. It is popularly known as New Alluvial. Khadar alluvial soil is the most fertile and most productive soil on Earth. This type of soil is mostly found near the river banks in the plains. Based on the age of formation and their fertility, alluvial soils are grouped into two groups viz - Bangar alluvial soil and Khadar alluvial soil. Khadar - alluvial soil (New) New alluvial along the bank of Brahmaputra in Assam It is the alluvial soil which is newly brought about by the fast flowing river during monsoon season. This soil contains fresh minerals, silts, dead leaves, gravels and sands. The freshly washed away humus and dirts from the forest by the rainfall and then by the river will be deposited along the river bank. In the plain areas these deposits will get disbursed to the paddy field and crop grown field and gave the field new and fresh manure with rich contents. These soils are light in color and are found near the river.