Calories per acre. "That means corn averages roughly 15 million calories per acre" "wheat comes in at about 4 million calories per acre, soy at 6 million" "O

Calories per acre. "That means corn averages roughly 15 million calories per acre" "wheat comes in at about 4 million calories per acre, soy at 6 million" "Other vegetables, while much more nutritious than corn, wheat or potatoes, are far less energy-dense. Broccoli yields about 2.5 million calories per acre, and spinach is under 2 million" https://www.washingtonpost.com/lifestyle/food/in-defense-of-corn-the-worlds-most-important-food-crop/2015/07/12/78d86530-25a8-11e5-b77f-eb13a215f593_story.html https://www.washingtonpost.com/lifestyle/food/in-defense-of-...