Question

what is alluvial soil

Answer 1

alluvial soil - a fine-grained fertile soil deposited by water flowing over flood plains or in river beds. alluvial deposit, alluvial sediment, alluvium, alluvion - clay or silt or gravel carried by rushing streams and deposited where the stream slows down.

Answer 2

$\huge\mathcal\red{soil}$

➡ Soil is the most important renewable resource.

$\large\bold{Classification\:of\:soil}$

On the basis of physical and chemical factors, soil can be classified in different types.

$\bold{1.\:Alluvial\:soil}$
$\bold{2.\:Black\:soil}$
$\bold{3.\:Laterite\:soil}$
$\bold{4.\:Arud\:soil}$

$\large\red{Alluvial\:soil}$

➡ It has been deposited by three important Himalayan river systems - The Indus, The Gangas and The Brahmputras.

✔ It covers around 46% of area.

✔ Due to its high fertility, areas having this soil are densely populated.

➡ Chemical composition:

✔Potash
✔Phosphoric acid
✔Lime