डारविननि बिबुंथि बादियै बेगरफोरा जेसेबांनो गोबाङै फोजायो एसेबांनो गुवार ओनसोलाव बेयो गोसारनो खाबु मोनो ।
According to Darwin the food grain which is grown in abundance gets the opportunity to spread in that expanded area only.