Or the plants grow faster and contain exactly the same "nutrients" "diluted" in more starch. (The scare quotes are there because large parts of the world need

Or the plants grow faster and contain exactly the same "nutrients" "diluted" in more starch. (The scare quotes are there because large parts of the world need those so-called empty calories even more than the vitamins.) The article talks about concentrations, not total amounts, after all.