Applied pre-emergence herbicides

Percent of planted acres

Line graph with 4 lines and 15 points per line.

Line 1, corn.
Point 1, 1996 is 78.
Point 2, 1997 is 78.
Point 3, 1998 is 79.
Point 4, 1999 is 73.
Point 5, 2000 is 71.
Point 6, 2001 is 54.
Point 7, 2002 is 56.
Point 8, 2003 is 58.
Point 9, 2004 is 59.
Point 10, 2005 is 61.
Point 11, 2006 is 61.
Point 12, 2007 is 60.
Point 13, 2008 is 60.
Point 14, 2009 is 59.
Point 15, 2010 is 59.
Line 2, cotton.
Point 1, 1996 is 90.
Point 2, 1997 is 95.
Point 3, 1998 is 89.
Point 4, 1999 is 89.
Point 5, 2000 is 79.
Point 6, 2001 is 76.
Point 7, 2002 is 74.
Point 8, 2003 is 71.
Point 9, 2004 is 71.
Point 10, 2005 is 72.
Point 11, 2006 is 72.
Point 12, 2007 is 73.
Point 13, 2008 is 73.
Point 14, 2009 is 74.
Point 15, 2010 is 74.
Line 3, soybeans.
Point 1, 1996 is 67.
Point 2, 1997 is 67.
Point 3, 1998 is 58.
Point 4, 1999 is 50.
Point 5, 2000 is 46.
Point 6, 2001 is 31.
Point 7, 2002 is 16.
Point 8, 2003 is 19.
Point 9, 2004 is 22.
Point 10, 2005 is 25.
Point 11, 2006 is 28.
Point 12, 2007 is 31.
Point 13, 2008 is 34.
Point 14, 2009 is 37.
Point 15, 2010 is 40.
Line 4, winter wheat.
Point 1, 1996 is 11.
Point 2, 1997 is 11.
Point 3, 1998 is 13.
Point 4, 1999 is 13.
Point 5, 2000 is 12.
Point 6, 2001 is 13.
Point 7, 2002 is 14.
Point 8, 2003 is 14.
Point 9, 2004 is 15.
Point 10, 2005 is 16.
Point 11, 2006 is 17.
Point 12, 2007 is 17.
Point 13, 2008 is 18.
Point 14, 2009 is 19.
Point 15, 2010 is 20.

Source: ARMS Phase 2 for corn (1996-2001, 2005, 2010), cotton (1996-2000, 2003, 2007), soybeans (1996-2000, 2002, 2006), and winter wheat (1996-1998, 2000, 2004, 2009). Linear trends were used to fill in the missing years.