[ip26]

Farmers irrigate heavily. That's why groundwater is in crisis around the globe.

[anon2775]

On average, Dutch farmers tend to use the least water per mass of product sold.

[bluGill]

Depends strongly on location. In the western US farmers irrigate heavily. The eastern US doesn't irrigate at all.

Farmers who irrigate are very concerned about ground water because they know when it is gone so is their profits.