Red soil Laterite soil (i) The rocks that lead to the formation of red soil are granites, gneisses and quartzite. (i) They are formed by weathering of rocks. (ii) Rich in potash and potassium. (ii) Rich in ferric oxides (iii) It is found in Madhya pradesh, Chota Nagpur Plateau, Karnataka, Andhra pradesh and others. (iii) It is found on summits of Eastern and the Western Ghats, Malwa Plateau, Vindhyan Ranges, Maharashtra, and parts of Karnataka. (iv) It is suitable for growing wheat, rice, pulses, tobacco with the proper use of fertilizers and irrigation. (iv) It is suitable for growing tea,coffee, coconut, rubber with manure and proper irrigation.