A greater issue than soil depletion is the loss of phytonutrients through selective breeding for taste and early picking of produce for ease of transportation.

A greater issue than soil depletion is the loss of phytonutrients through selective breeding for taste and early picking of produce for ease of transportation. A fantastic book on this subject, with advice for how to find produce with higher phytonutrient content, is Eating on the Wild Side[0]. [0] https://www.amazon.com/Eating-Wild-Side-Missing-Optimum/dp/0316227935 https://www.amazon.com/Eating-Wild-Side-Missing-Optimum/dp/0...