Editing Polder (section)

====History====
The [[Jiangnan]] region, at the [[Yangtze River Delta]], has a long history of constructing polders. Most of these projects were performed between the 10th and 13th centuries.<ref>{{cite book |last1=Liao, Qiyu 繆启愉 |title=Taihu Tangpu Weitian Shi Yanjiu 太湖塘浦圩田史研究 [The research of the dikes and polders of Lake Tai] |date=1985 |publisher=Nongye Chubanshe |location=Beijing}}</ref> The Chinese government also assisted local communities in constructing dikes for swampland water drainage.<ref>{{cite journal |last1=Xie, Shi 谢湜 |title="11 Shiji Taihu Diqu Nongtian Shuili Geju de Xingcheng" 11 世纪太湖地区农田水利格局的形成 [The formation of water management system in the farmland of the Lake Tai region in the eleventh century] |journal=Journal of Sun Yat-sen University |date=2010 |volume=50 |issue=5 |pages=94–106}}</ref> The Lijia (里甲) self-monitoring system  of 110 households under a ''lizhang'' (里长) headman was used for the purposes of service administration and tax collection in the polder, with a ''liangzhang'' (粮长, grain chief) responsible for maintaining the water system and a ''tangzhang'' (塘长, dike chief) for polder maintenance.<ref>{{cite book |last1=Hamashima, Atsutoshi 滨岛敦俊 |title=Mindai Kōnan nōson shakai no kenkyū 明代江南農村社会の研究 [Rural Society in Jiangnan during the Ming Dynasty |date=1982 |publisher=Tokyo University Press |location=Tokyo |pages=9–65}}</ref>