i assume the article was most interested in discussing 'soil depletion' but another unsettling variable in this is the 'nutrient collapse'
wherein elevated CO2 levels in the grow environment correlates negatively with nutrient content of plants
https://www.sciencedirect.com/science/article/pii/S016953470...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4036122/
https://www.politico.com/agenda/story/2017/09/13/food-nutrie...