Really? But these plants are not being grown for aesthetics but as a food source. Nutrition value (read vitamin, mineral content, et al) of contemporary produce

Really? But these plants are not being grown for aesthetics but as a food source. Nutrition value (read vitamin, mineral content, et al) of contemporary produce is considerably less than it was 50 years ago. If interested see a sample low-tech Scientific American article on the subject. URL: http://www.scientificamerican.com/article/soil-depletion-and-nutrition-loss/ http://www.scientificamerican.com/article/soil-depletion-and... And for the sociology: what percentage of the population are responsible enough to take the now necessary dietary supplements to maintain a healthy, productive physiology?