Editing Drip irrigation (section)

===Ancient China===
Primitive drip irrigation has been used since ancient times. ''[[Fan Shengzhi shu]]'', written in China during the first century [[BCE]], describes the use of buried, unglazed clay pots filled with water, sometimes referred to as [[Olla#Use in irrigation|Ollas]], as a means of irrigation.<ref>[[s:zh:氾勝之書]] 以三斗瓦甕埋著科中央，令甕口上與地平。盛水甕中，令滿。</ref><ref>{{cite journal|last=Bainbridge|first=David A|title=Buried clay pot irrigation: a little known but very efficient traditional method of irrigation|journal=Agricultural Water Management|date=June 2001|volume=48|issue=2|pages=79–88|doi=10.1016/S0378-3774(00)00119-0|bibcode=2001AgWM...48...79B }}</ref>