Since you are here, reading about SymSoil™ you probably already know that life as we know it is dependent upon the top six inches of the planet.
The key message was alarming: Unless new approaches are adopted, the global amount of arable and productive land per person in 2050 will be only a quarter of the level in 1960, the FAO reported, due to growing populations and soil degradation.
https://www.scientificamerican.com/article/only-60-years-of-farming-left-if-soil-degradation-continues/
