what type of soil is found in deccan plateau
Deccan Plateau The climate of the region varies from semi-arid in the north to tropical in most of the region with distinct wet and dry seasons. Rain falls during the monsoon season from about June to October. March to June can be very dry and hot, with temperatures regularly exceeding 40 °C. The Deccan plateau is a topographically variegated region located south of the Gangetic plains-the portion lying between the Arabian Sea and the Bay of Bengal-and includes a substantial area to the north of the Satpura Range, which has popularly been regarded as the divide between northern India and the Deccan. The name derives from the Sanskrit daksina ("south"). The plateau is bounded on the east and west by the Ghats, while its northern extremity is the Vindhya Range. The Deccan's average elevation is about 2,000 feet (600 m), sloping generally eastward; its principal rivers, the Godavari, Krishna, and Cauvery, flow from the Western Ghats eastward to the Bay of Bengal. The plateau's climate is drier than that on the coasts and is arid in places. Although sometimes used to mean all of India south of the Narmada River, the word Deccan relates more specifically to that area of rich volcanic soils and lava-covered plateaus in the northern part of the peninsula between the Narmada and Krishna rivers.
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Soil An example of the development of a soil would begin with the weathering of lava flow bedrock, which would produce the purely mineral-based parent material from which the soil texture forms. Soil development would proceed most rapidly from bare rock of recent flows in a warm climate, under heavy and frequent rainfall. Under such conditions, plants (in a first stage nitrogen-fixing lichens and cyanobacteria then epilithic higher plants) become established very quickly on basaltic lava, even though there is very little organic material. The plants are supported by the porous rock as it is filled with nutrient-bearing water that carries minerals dissolved from the rocks. Crevasses and pockets, local topography of the rocks, would hold fine materials and harbour plant roots. The developing plant roots are associated with mineral-weathering mycorrhizal fungi[72] that assist in breaking up the porous lava, and by these means organic matter and a finer mineral soil accumulate with time. Such initial stages of soil development have been described on volcanoes,[73] inselbergs,[74] and glacial moraines.[75]
Leaching (pedology) Laterite soil, which develops in regions with high temperature and heavy rainfall, is an example of this process in action.