What is Xu Guangqi's contribution to agriculture?

Xu Guangqi's contribution to agriculture lies in his compilation of the agricultural masterpiece "The Complete Book of Agricultural Administration". Xu Guangqi loved agriculture since childhood and was knowledgeable. The Book of Agricultural Administration is an encyclopedia of agricultural science after the Book of Mister in Han Dynasty, the Book of Agriculture by Chen Yi in Song Dynasty and the Book of Agriculture by Wang Zhen in Yuan Dynasty. This masterpiece, which Xu Guangqi devoted a lot of effort to, embodies his great contribution to agriculture and farming, and represents the highest level of agricultural science development in ancient China.

Xu Guangqi related introduction.

Xu Guangqi (1562- 1633), word, No.,Wanli Jinshi, Chongzhenchao University, Museum University, Cabinet Assistant. 1603 became a Catholic, and his Christian name was Paul.

He studied astronomy, calendar, mathematics, surveying and mapping, water conservancy and other western science and technology from Matteo Ricci earlier, and devoted himself to the research of science and technology all his life and worked hard to write. He is an active promoter of introducing and absorbing European science and technology, and has made important contributions to the cultural exchange between China and the West in the17th century.