Regenerative Agriculture proposes the farming of perennial plants: tree based crops, thus never leaving ground exposed and creating more biomass and diversity year after year.
The science behind why this is so important for the survival of our species and the health of the planet as a whole is explained in this lecture by Walter Jehne. This is a must watch for anyone wanting to know what the facts are behind creating perennial food systems and healing our planet.
Mediterranean Permaculture 