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As someone connected to the spirit of the land, he could responsibly say that the spirit fields are rich with spiritual energy because of the soil.
The impact of manure exists, but it is not irresolvable.
These people...
Nevermind, if they don't know, then they don't know, and since they are not disciples of Four Treasures Peak, he had no obligation to teach them.
If they fail to understand the wonderful uses of manure, then let them stick to their foolish methods.
Cao Zhen did not argue with these people and simply pointed out, "Forget it, it's no use explaining to you. Then let me mention another method. You can plant Pigeon Grass around here, but not too much, plant one every ten feet..."
Cao Zhen began to speak of another method.
The disciples skilled in agriculture around him heard this and started scoffing again.