Historical clue formulations

• Like soil that combines sand, silt and clay — 2021-09-30
• Like a fertile plot of land — 2019-03-15
• Like good farm soil — 2017-10-25
• Like some fertile soil — 2017-09-24
• Like good soil — 2016-04-12
• Like some rich soil — 2015-01-20
• Like some rich soil — 2011-09-14
• Like some good soil — 2008-07-06
• Like good soil — 2005-03-08
• Like some good soil — 2004-12-22