C250 Solving Fertilizer

The so-called farm manure was the excrement of chickens, ducks, pigs and sheep, and also human excrement. After fermenting and processing, it would then be used to irrigate crops …

Mu Yunsheng is still impressed with the way feces are fermented.

Zheng Yu's curiosity was piqued and he quickly asked: "What did you find? Hurry up and tell me! "

He was Noble Heir of States Minister Zhen