You’ll have no hope of growing crops here unless you find a way to irrigate

A. Without discovering how to water this land, there is no chance that you can grow crops here.

B. Even if you find a method of watering this land, there is no hope that any crops will grow on it.

C. Because there is no way you can irrigate this land, you had batter give up trying to grow crops on it.

D. You’ll have to try growing crops elsewhere if you prove unable to irrigate this land here.