Table-5

Traditional Soil Groups of Karnataka and their Geographic Distribution

Classification Traditional (soil units)

Taxonamy

Description

Agro-climatic zones

Physiography

Geology

Geographic distribution (Districts)

Area Ha. (%)

RED SOILS:

Red gravelly loam soils     (58,59,60,61,102) Lithic Ustorthents

Shallow welldrained to excessively drained, reddish brown to yellowish brown, gravelly sandy loam to sandy clay loam, moderately to severely eroded.

2, 3, 4, 5, 6 and 8

Hills and ridges, rolling and undulating lands of plateau and eastern ghats.

Granite Gneiss, quartzite, schist. Bangalore (Urban), Bangalore(Rural), Belgaum, Chickmagalur, Chamrajanagar, Kolar, Mysore, Raichur, Koppal,Tumkur.

315994
1.66

Red loam soils                    (15,56,57,66,67) Lithic Rhodustalfs, Lithic Ustic      Torrirthents,   Lithic Ustorthents

Shallow, excessively drained to well drained, reddish brown to yellowish red, sandy clay loam to sandy loam soils, moderately to severely eroded.

2, 3, 5 and 6

Ridges, rolling, and undulating lands of plateau

Granite Gneiss, quartzite, schist. sand-stone Bangalore(Urban & Rural), Bellary, Belgaum, Bijapur, Dharwad, Haveri,Bagalkot,Gadag, Gulbarga, Mysore, Chamrajanagar, Raichur,Koppal

191041
1.00

Red gravelly clay soils (3,6,10,11,12,13,20,21,22,23,27  ,28,29,38,62,63,80,81,87,88,90,91,       94,98,101) Kandic paleustalfs, Rhodic, Typic Paleustalfs, Typic Rhodustalfs, Typic Kandiustalfs, Kanhaplic Rhodustalfs, Kanhaplic Haplustalfs, Typic camborthids, Typic/Lithic Ustropepts, Lithic Ustorthents

Deep to mod, deep and shallow, welldrained to excessively drained, yello-wish brown dark red to reddish brown, gravelly sandy loam to sandy clay loam and loamy sand surface soils and gravelly sandy clay to clay subsurface soils, moderately to severeely eroded.

2, 3, 4, 5, 6, 7, 8, 9.

Hills and ridges, hill ranges, rolling gently and undulating lands, inter-hill basins of plateau, western ghats, eastern ghats.

Granite gneiss, schist, quartzites phyllites, charnockites Bangalore(Urban & Rural), Bellary Belgaum, Bijapur,Bagalkote, Chickmagalur, Chitradurga,Davangere, D.Kannada, Udupi, Dharwad, Gulbarga Hassan, Kodagu, Kolar, Mandya, Mysore, Chamrajanagar, Raichur, Koppal, Shimoga, Tumkur, Uttara Kannada.

3610976
18.95

Red clay soils.                            (4,9,14,16,24,31,34,35,36,37,72,78,     85,86,89,92,95,99,111)

Kandic/Thodic Paleustalfs, Typic Thodustalfs, Typic Haplustalfs, Typic Camborthids, Typic, Ustropepts, Lithic Ustorthents

Deep to moderate, deep and shallow, well-drained excessively drained, brown to yellowish red to reddish brown, sandy loam to sandy clay loam and sandy clay surface soils and sandy clay to clay subsurface soils, moderately to severely eroded.

2, 3, 4, 5, 6, 7, 8, 9.

Hills and ridges, high hill ranges, rolling, undulating and gently sloping lands of plateau western and eastern ghats.

Granite gneiss schist, sandstone, quartzite. Bangalore(Urban & Rural), Bellary, Belgaum, Bijapur, Bagalkote, Chickmagalur, Chitradurtga, Davangere, D.Kannada, Udupi, Dharwad, Haveri,Gadag, Gulbarga Hassan, Kodagu, Kolar, Mandya, Mysore, ChamrajaNagar, Raichur, Koppal, Shimoga, Tumkur, Uttara Kannada.

2990373
15.69

LATERITIC SOILS:

Lateritic gravelly soils                      (2,5,105) Rhodic kandiustallfs,Rhodic Paleustalfs, Kanhaplic Haplustalfs, Ustic Palehumults

Deep, welldrained to exces-sively drained yellowish red to dark reddish brown, gravelly, sand clay loam to sandy clay and clay surface soils and sandy clay to clay subsurface soils moderatley to severely eroded with surface crusting.

1, 5, 7, 8, 9

Mounds summits and upper slopes of plateau, sloping lands of malnad

Granite gneiss Schist, Phyllites, basalt. Bangalore (Urban & Rural), Bidar, Belgaum, Gulbarga, Chickmagalur, D.Kannada, Udupi,Dharwad, Haveri,Gadag, Kodagu, Kolar, Shimoga, Uttara Kannada.

511593
2.74

Lateritic soils (1,7,83,84,107) Typic Kandiustalfs, Rhodic/Kandic Paleustalfs,Kanhaplic Haplustalfs, Ustic Palehumults, Kanhaplic Haplustults

Deep welldrained to exces-sively drained, yellowish red to dark reddish brown, sandy loam to sandy clay and clay surface soils and clay subsoils, moderately to severely eroded with surface crusting.

2,5,7,9

Gently sloping plains, summits of plateau, steeply sloping lands of Western ghats and Malnad.

Granite gneiss, Phyllites, Schist Bangalore (Urban & Rural), Chickmagalur, D.Kannada, Udupi,Hassan, Kodagu, Kolar, Mysore, Chamrajanagar, Shimoga, Uttara Kannada

653440
3.42

BLACK SOILS:

Deep black soils (40,43,44,45,46,48,49,50,51,53,54,55,71) Typic chromusterts, Typic Pellusterts, Vertic Ustropepts

Deep, moderately well-drained, dark greyish brown, very dark greyish brown, calcareous cracking clay to silty clay soils, moderately to severely eroded.

1, 2, 3, 4, 6 and 8

Gently sloping plains, plateau, summits, valleys

Basalt, calc-gneiss schist, granite, gneiss, diorite. Bellary, Koppal, Belgaum, Bidar, Bijapur, Bagalkote,Chitradurga, Davangere, Dharwad, Haveri, Gadag, Gulbarga Mysore, Chamrajanagar, Raichur.

3108704
16.32

Medium deep black soils (17,18,19,26,30,39,41) Vertic Ustropepts, Ustollic calciorthids, Typic chromusterts, Typic unstropepts

Moderately deep, moderately welldrained, dark brown to very dark greyish brown, noncalcareous cracking clay to silty clay soils, moderately to severely eroded.

1, 2, 3, 4, 6, 7 and 8

Gently sloping lands and plains, summits of plateau, valleys

Granite gneiss, basalt Bellary, Belgaum, Bidar, Bijapur, Bagalkote, Chitradurga, Davengere, Dharwad,Haveri, Gadag, Gulbarga Hassan, Raichur, Koppal, Shimoga, Tumkur.

598376
3.13

Shallow black soils                       (65,69,70) Lithic Ustorthents, Lithic Ustropepts

Shallow, welldrained, grey to dark grey and brown clay loam to silty clay loam soils, severely eroded.

1, 2, 3 and 8

Plateau summits and table lands

Basalt Belgaum, Bidar, Bijapur, Bagalkote,Gulbarga

1586070
8.32

ALLUVIO-COLLUVIAL SOILS:

Non-saline                     (42,64,65,96,1000) Aquic Ustropepts  TYpic Tropaquepts,   Aquic/Typic/Vertic  Ustifluvents, Lithic Ustorthents

Deep to shallow, moderately welldrained to imperfectly drained and poorly drained, yellowish brown to strong brown and dark greyish brown nonsaline, clay loam to clay and sandy clay loam surface soils and clay to clay loam and sandy clay loam, sub surface soils.

3, 4, 5, 7, 8 and 9

Valleys, low lands of plateau and malnad.

Alluvium and colluvial sediment Bangalore (Urban & Rural), Belgaum, Chickamgalur, Dharwad, Haveri, Gadag,Gulbarga Kodagu, Kolar, Shimoga.

361471
1.90

Saline and sodic in patches     (25,32,33,47,52) Typic Ustropepts  Typic Ustifluvents   Typic Chromusterts, Vertic Ustropepts  Typic Camborthids  Ustic Torrifluvents

Deep , moderately well drained to perfectly drained, dark greyish brown to very dark greyish brown and strong brown, clay to sandy clay and clay loam surface soils and clay to loam subsurface soils with salinity and alkalinity in patches.

1, 2, 3, 4, 5, 6 and 7

Valleys, low lands very gently sloping plains of command areas of plateau.

Alluvium, Colluvial sediments. Bangalore (Urban & Rural), Bellary, Koppal,Bidar, Bijapur, Bagalkote, Chickamgalur, Chitradurga, Davangere,Dharwad, Haveri, Gadag Gulbarga , Hassan, Kolar, Mandya, Mysore, Chamrajanagar,Raichur, Shimoga, Tumkur.

2636233
13.64

FOREST SOILS:

Brown forest soils   (79,82,93,97,103,104,106,108,109,110) Typic kanhaplustalfs  Kandic/Rhodic Paleustalfs,Kanhaplic Haplustalfs, Ustic Haplohumults, Ustic, Palehumults, Ustic, Kandihumults,Ustoxic Dystropepts, Typic Argiustolls

Deep to moderately deep, well drained to excessively drained, dark brown to dark yellowish brown and black sandy clay to sandy clay loam and sandy loam, humus rich surface soils and clay to sandy clay subsurface soils, slightly eroded.

9

High hill ranges and steeply sloping lands of western ghats.

Gneiss, schist, charnockites Phyllites Belgaum, Chickmagalur, D.Kannada, Udupi,Dharwad, Haveri, Gadag, Hassan, Kodagu, Mysore, ChamrajaNagar, Shimoga, Uttara Kannada.

1147327
6.00

COASTAL SOILS:

Coastal Laterite soils       (118,119,120,120) Typic kandiustults, Kanhaplic Haplustults, Petroferric  Haplustults,Kanhaplic  Haplustalfs

Deep, well drained to exces-sively drained, dark brown to yellowish red and dark reddish brown sandy clay loam to clay loam surface soils and sandy clay to clay subsurface soils, moderately to severely eroded with surface crusting.

10

Coastal uplands and hinter lands

Gneisses, Quilon sediments Dakshina Kannada, Udupi, Uttara Kannada

563254
2.96

Coastal alluvial soils                (114,115,116,117) Typic and Aquic Ustipsamments, Aquic Ustifluvents

Deep, welldrained and poorly drained, pale brown to dark yellowish brown, sand, sandy loam to loam surface soils and sand to loam subsurface soils

10

Bars, beaches, beach ridges, valleys

Recent alluvium Dakshina Kannada,Udupi, Uttara Kannada.

180267
0.94

MISCELLANEOUS LANDS:

Rock lands            (73,74,75,76,77,112,113) Rock outcrops

Rock land

Hills and ridges rolling lands

granite gneiss quartzite charnockite All the districts

486402
2.55

Water bodies, Urban area etc.

110514
0.58

Total:

19049836
100.00