My point on this chapter,
a royalty should endorse such possibility of newly acquired food and develop it in such a way the populace will try it to be with them everyday.
In this way, a massive reform will be made to sustain the demand of the populace while generating new tax revenue as well as enriching all the lands of the nobles because another invention will be made out of it and a new demand will occur and need a new plot of land to plant the said product or mine it and sell it.
That way, an accomplishment fitting for a royalty would be available, and history will praise them for much...
Just think of French fries, hamburger. Why other Isekai Manga always introduce that kind of food...?
Because, it was so popular in the populace that it generates a waves of demand that move an economy.
If this kind of royalty will be put into the crown, their kingdom will not move that much