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A GROUP STOCKS

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Major soil types in India

  The main types of soil in India are as follows: 1) Red soils 2) Laterites and lateritic soil 3) Black soil 4) Alluvial soils 5) Forest & hill soils 6) Peaty and marshy soils Red soils Red soils have two broad classes: a) Red loam with cloddy structure and allow content of concretionary materials; and b) Red earths with loose, Permeable top soil and a high content of secondary concretions. Generally these soils are light textured with porous and friable structure and there is absence of lime Kankar and free carbonates. They have neutral to acidic reaction and are deficient in nitrogen humus, phosphoric acid and lime. 2) Laterites and Lateritic soils These soils are red to reddish yellow in colour and low in N, P, K, lime and magnesia. These soils are formed in-situ under conditions of high rainfall with alternation dry and wet periods. On account of heavy rainfall there is an excessive leaching of soil colloids and silica hence the soils are porous. 3) Blac...