| − | The Sumerians' farming techniques were largely dependent on [[irrigation]]. Sumerian agriculture is credited as one of the first uses of irrigation in history, with some irrigation set-ups dating as far back as 4000 B.C.<ref> [http://www.google.com/#q=Sumerian+irrigation&hl=en&safe=off&tbs=tl:1&tbo=u&ei=zG26S-fcLcT48AbGgYXfBw&sa=X&oi=timeline_result&ct=title&resnum=11&ved=0CDYQ5wIwCg&fp=caec63d5ff72707a Timeline of Sumerian civilization]</ref> | + | The Sumerians' farming techniques were largely dependent on [[irrigation]]. Sumerian agriculture is credited as one of the first uses of irrigation in history, with some irrigation set-ups dating as far back as 4000 B.C.<ref> [http://www.google.com/#q=Sumerian+irrigation&hl=en&safe=off&tbs=tl:1&tbo=u&ei=zG26S-fcLcT48AbGgYXfBw&sa=X&oi=timeline_result&ct=title&resnum=11&ved=0CDYQ5wIwCg&fp=caec63d5ff72707a Timeline of Sumerian civilization]</ref> This, however, is contested by Creationists who assert that since God created the earth around 4000 BC, Sumerians could not have had irrigation set-ups by themselves at the time (or even could have formed their own culture so soon after Creation). |