Question

Why khadar soil is more fertile than bhangar

Answer 1

Tis is the answer and difference between them

Answer 2

Hey

Here is your answer,

Khadar plains are low-lying next to a river.
Khadar areas are prone to flooding and sometimes include portions of former river-beds that became available for agriculture when a river changed course.
Khadar soil consists of new alluvial deposits and is often very fertile.

Hope it helps you!