Complete Treatise on Agriculture[3] (simplified Chinese: 农政全书; traditional Chinese: 農政全書), or Complete Book of Agricultural Management, [4] or Encyclopaedia of Agriculture, [5] is a compilation of the ancient scientific studies of agriculture written by Xu Guangqi.

[6] The book was composed from 1625 to 1628[7] and published in 1639, [8] totalling 700,000 words.

[9] Complete Treatise on Agriculture summarises many of the agricultural experiences and techniques of the ancient Chinese working people,[10] citing over 300 kinds of ancient works and documents.

[11]