C508 A Test for Ning Huai

"Yes." Ning Huai continued, "On the way here, Eunuch Tong told me that Fourth Prince had already shipped the sweet potatoes and corn to Minnan."

"Right."

"This sweet potato and corn were carefully nurtured by my sister. Not only are they mass-produced, they are also extremely easy to cultivate. A mere acre of land can produce over a hundred kilograms