Historical clue formulations

• Rice ___ — 2015-05-12
• Chia growth area? — 2014-08-23
• Intentionally flooded field — 2013-03-02
• Rice field — 2010-03-22
• ___ wagon — 2007-12-16
• Rice field — 2006-07-17
• Sight in China — 2001-09-30
• Rice ___ — 2001-05-20
• Rice ___ — 1999-08-26