(a) Formed by the weathering of crystalline rocks.

(b) Found in Tamil Nadu, Karnataka, Goa and Orissa.

(c) Main characteristics are:

(i) Red in color due to presence of iron compounds.


(ii) Colour varies from chocolate brown to yellow.

(iii) Deficient in nitrogen, lime, phosphoric acid and humus.

(iv) The soil becomes productive with the use of fertilisers.

(d) Crops grown are: Rice, sugar cane, wheat, pulses can be grown with irrigation and addition of fertilisers.