1.

Explain the five most important characteristics each of alluvial and black soils found in India. (m)

Answer»

Alluvial
1 it is transported soil
2 mostly light to dark in colour depending new to old alluvium
3 deficient in nitrogen and tends to be phosphoric
4 found in DEPTH of 500 m
5 as it is rich in humus, potash and lime it is agriculturally the most imp. Soil
BLACK SOIL
1 while dry they FORM long and deep cracks
2 rich in iron potash CALCIUM magnesium
3 deficient in phosphorus nitRogen and humus
4 can retain moisture for long time
5 black to chestnut brown in colour due to presence of iron CONTENT



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