EnvironmentUS irrigated land stops growing as water use per acre falls
American irrigated area grew more than tenfold from 1890 but has stalled since 1997, even as the water applied to each acre has fallen sharply.
EnvironmentAmerican irrigated area grew more than tenfold from 1890 but has stalled since 1997, even as the water applied to each acre has fallen sharply.
EnvironmentThe programme aims to lift water conveyance efficiency from 35 percent to at least 70 percent and to benefit more than 450,000 people, with co-financing bringing the first phase past $170 million.