Question: What did cultivation shift from to salt-tolerant barley during the Ur III phase?

Is During the Akkadian and Ur III phases, there was a shift from the cultivation of wheat to the more salt-tolerant barley, but this was insufficient, and during the period from 2100 BC to 1700 BC, it is estimated that the population in this area declined by nearly three fifths. a good answer to this question?

Options are:
1). yes
2). no
1).