What Crops Require The Least Amount Of Water?

What Crops Require The Least Amount Of Water? What crops require the least amount of water? Lima beans. Pole beans. Corn. Cowpeas, black-eyed peas and field peas. Edible amaranth. Quinoa. Mustard greens. Okra. Which crop has least water requirement? Millets on one acre saves six million litres of water. Millets are far superior nutritionally to