You see yields like that in the US west of the 100th meridian. It's a stark divide. On the east side, farmers put seeds in the ground, rain does the rest, and y

You see yields like that in the US west of the 100th meridian. It's a stark divide. On the east side, farmers put seeds in the ground, rain does the rest, and you get amazing yields. West is substantially more dry. There, you see irigation and dry land techniques.