Irrigation machinery has the amount of irrigated land in the us. a. doubled b. tripled c. quadrupled d. quintupled

Irrigation machinery has QUADRUPLED the amount of irrigated land in the US.

Irrigation machinery has quadrupled the amount of irrigated land in the US.  U.S.'s rise in population has demanded more agricultural products, forcing cultivation of more crops a huge need.  Drip irrigation for example presents better efficiency than sprinkler and represented around 30% of the irrigation shares in 2016. Modern techniques are always being developed and applied, increasing both yield and area.