Chapter 848: Four Papers

t potatoes. That's not going to be easy.The promotion of sweet potatoes should start from the capital and the two provinces north and south of it.Li Chen had already made up his mind. He said, "This m...m his waist and handed it to Wu Qingcang.Although this is not as useful as a formal imperial edict, if someone disregards it, they are likely to disregard an edict as well.Looking at Wu Qingcang as he...