Title

Horizontal Bar chart with 4 groups with 2 items per group.

Group 1, High-pressure sprinkler, unlined ditch, and flood-gravity systems.
Item 1, 2003 39.
Item 2, 1988 65.
Group 2, Lower-pressure sprinkler systems [less than 60 PSI].
Item 1, 2003 38.
Item 2, 1988 14.
Group 3, More-conserving gravity systems [using a pipe or lined-ditch, field water-delivery system].
Item 1, 2003 17.
Item 2, 1988 18.
Group 4, Drip/trickle and subirrigation systems.
Item 1, 2003 6.
Item 2, 1988 3.

Conventional irrigation
39
(high-pressure sprinkler, unlined ditch, and flood- gravity systems)
65
More conserving irrigation
38
(Lower-pressure sprinkler systems, less than 60 PSI)
14
More conserving gravity systems (using a pipe or lined-ditch, field water- delivery system)
17
18
6
Drip/trickle and sub- irrigation systems
3
Percent of total irrigated acres
Irrigated acres (million): 1988 = 47.3 and 2003 = 52.6
Source: USDA-ERS, based on Farm and Ranch Irrigation Surveys for 1988 and 2003 (USDC, 1990; USDA, 2004a).

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