Because I am passionate about our soil and its relationship to nutrient rich food, I am always amazed when people do not see the relationship but then, once I started to understand why, I was driven to write down everything I had learned in the last 25+ years. If you are wondering, see this article below….
Soil and health
https://wordpress.com/post/ruralmusingsofafarmer.wordpress.com/5
“We know more about the movement of celestial bodies than about the soil underfoot.” – Leonardo Da Vinci, Artist and inventor