describe the important characteristics of each of the following soil type of india . (a) black soils (b) laterite soils) red soils
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Answer:
a) Black soils are mineral soils which have a black surface horizon, enriched with organic carbon that is at least 25 cm deep. ... A base saturation in the black surface horizons ≥50%.
b) Laterite is both a soil and a rock type rich in iron and aluminum and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by intensive and prolonged weathering of the underlying parent rock.
c) Red soil is a type of soil that develops in a warm, temperate, moist climate under deciduous or mixed forest, having thin organic and organic-mineral layers black brown leached layer resting on an illuvium red layer. Red soils are generally derived from crystalline rock. ... Red soils are an important resource.