大司农

Grand Minister of Agriculture in imperial China, one of the Nine Ministers 九卿[jiu3 qing1]

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

surname Si

to take charge of / to manage / department (under a ministry)

surname Nong

peasant / to farm / agriculture / diligent (old) / government field official (old)

variant of 農|农[nong2]