| Date - Field | United States - Irrigated land |
2009 January Irrigated land | 223,850 sq km (2003) |
2008 January Irrigated land | 223,850 sq km (2003) |
2007 January Irrigated land | 223,850 sq km (2003) |
2006 January Irrigated land | 214,000 sq km (1998 est.) |
2005 January Irrigated land | 214,000 sq km (1998 est.) |
2004 January Irrigated land | 214,000 sq km (1998 est.) |
2003 January Irrigated land | 214,000 sq km (1998 est.) |
2002 January Irrigated land | 214,000 sq km (1998 est.) |
2001 January Irrigated land | 207,000 sq km (1993 est.) |
2000 January Irrigated land | 207,000 sq km (1993 est.) |