I've always thought staples were the bulk of the energy content in cultures, i.e. rice, bread from wheat/corn/etc, potatoes. I checked anyway, there's a bunch more I hadn't considered!
Yes, but when you get your vitamins from one main vegetable, it can be a public health problem if a moth eats the whole crop several years in a row. NIGERIA has been limping along since 2016.
#TomatoEbola
https://www.npr.org/sections/goatsandsoda/2016/05/26/4795176...