Question

Why are the northen plains fertile? Which crops are grown here?

Answer 1

The Northern Plain was formed by the deposits brought in by the three major rivers and their tributaries. Alluvium was deposited at the foot–hills of the Himalayas for millions of years. These deposits are now the fertile Northern Plains. Alluvium is soil or sediments deposited by a river or other running water.

Hope this will help you...

Answer 2

Northern plains are fertile because of the rivers which flow in the northern plains the rivers are carrying silts and this make northern plains fertile.

Rice, millets, etc