Rise in the advise agriculturally system of the former generation, already quite complete by Song Dynasty.

发端于前代的劝农制度，至宋代已经相当完备。

youdao

Rise in the advise agriculturally system of the former generation, already quite complete by Song Dynasty.

发端于前代的劝农制度，至宋代已经相当完备。

youdao