บท 1327: Being Confident (III)

"How could it be as advanced as the all-purpose medicament?" Zhang Tie almost burst out into laughter.

"It's not as advanced as the all-purpose medicament. It's not even as fine as rice brew!" Zhang Tie shook his head as he added, "Commoners could casually make a barrel of it by fermenting their deserted green leaves, roots and stems, peels, kernels with ferment and water. Some people have already started to do it since a long time ago. Commoners liked to call it environmental ferment. However, I'd like to call it earth pulp. Only after irrigating a bit of earth pulp with water into farmlands will we gradually recover the quantity and structure of the destroyed microorganisms and flora, even better than before. This is how we extend our thanks to the earth..."