Class 10 unit

Decayed organic matter in the soil

• Clay

• Humus

• Silica

A soil rich in potash,humus and lime

• Red soil

• Alluvial soil

• Black soil

A soil which is sticky when wet

• Red soil

• Black soil

• Laterite soil

The type of alluvial soil found in the delta and is more fertile

• Laterite

• Regur

• Khadar

A kharif crop that grows well in regur soil

• Wheat

• Fruits

• Sugarcane

A soil formed in situ

• Black soil

• Alluvial soil

• Red soil

As soil found in the summits of Eastern ghats

• Red soil

• Laterite soils

• Alluvial soil

Soil found in large parts of Tamil Nadu

• Laterite soil

• Alluvial soil

• Red soil

Sheet erosion is common in

• Gujarat

• Haryana

• Western ghats

Measures to prevent coastal erosion

• Strip farming

• Shelter belts

• Plug gullies