Indian Geography Questions

Madhya Pradesh has the largest Tribal population. It has more than 1.6 crore Schedule Tribe population who are 21% of state population according to 2011 census.Second highest is Odisha by numbers.The population of Mizoram in 2001 Census has been 888,573. Of them, 839,310 are Scheduled Tribes (STs) constituting 94.5 per cent of the total population of the state.The population of Nagaland in 2001 Census has been 1,990,036. Of these, 1,774,026 are Scheduled Tribes (STs) constituting 89.1 per cent of the total population of the state.The total population of Arunachal Pradesh in 2001 Census has been 1,097,968. Of these 705,158 persons are Scheduled Tribes (STs), constituting 64.2 per cent of the total population

Alluvial Soils

The proportion of nitrogen is generally low, but potash, phosphoric acid and alkalis are adequate, while iron oxide and lime vary within a wide range.

Black Soils

Chemically, the black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorus, nitrogen and organic matter.

Laterite Soils

With rain, lime and silica are leached away, and soils rich in iron oxide and aluminium compound are left behind.