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Laterite Soils

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1. Laterite soils mainly occur on gently undulating, rolling, plain to hilly topography of peninsular gneiss and Dharwad schist regions, occupying areas as a long strip along with western coast in the coastal high rainfall and transitional region comprising major parts of the districts of Uttara Kannada, Udupi, Mangalore, Kodagu and Western parts of Hassan, Chikkamagalur, Shimoga, Dharwad and Belgaum districts; also found in parts of Bangalore, Kolar, Bidar and Gulbarga districts.

2. These are deep to very deep, yellowish red to dark red, reddish brown to brown, clay loam to gravelly sandy loam on the surface and clay loam to gravelly sandy clay or clay in the sub-surface horizon.

3. They are acidic in reaction, low in CEC, base saturation and water holding capacity. These are well drained to excessively drain with moderate to moderately rapid permeability.

4. These soils are classified under the orders Entisols, Ultisols, Alfisols and Oxisols with sub-orders Orthents, Ustults, Udults, Ustalfs, Udalfs and Ustox. These soils are fairly resistant to erosion.

5. Due to favourable physical condition of these soils, sustained and better yields can be obtained on many of these soils by adopting recommended package of practices and proper soil and agricultural management systems.

File Courtesy: 
ZARS, Mandya
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