...
By doing a bit of calculation, it becomes clear that Zhuwei Lake isn't a particularly large lake, but it does cover an area of about ten thousand mu. Dredging it to an average depth of one meter would amount to six to seven million cubic meters of silt...
In this world, Wang Shouzhe has indeed seen dredging ships.
They're manually operated using dredging rakes to dig silt onto the ship. One dredging ship can hold about ten cubic meters of silt.
The silt that is usually cleaned out contains adequate organic matter. When mixed and composted with other fertilizers, it becomes a good agricultural fertilizer that can replenish the fertility of farmland.
After all, during this era, the silt from riverbeds and lake bottoms doesn't accumulate heavy metal pollution.
