Alluvial Soils These soils coven largest area in the country and occupied 113 M ba in the Indo-Gangetic plain, Brahmaputra valley and Coastal area Alluvial soils are rich in plant natrients (fairly sufficient in P and K Excepting low in nitrogen and organic carbon contents. Soils are usually neutral to alkaline in reaction but it may be acidic in reaction in high rainfall zones like in Assam (Annual rainfall > 2000 mm). The most recent young allwvial soils are called "Khadar and old alluvial soils are called "Bbanger". Illite is the dominant type clay mineral 1.9K viewsNilesh sadar Patil, 11:29
