I think we should all think more on terms of sustainability. I do not fear any shortage of nutrient supplementation anytime soon (bc thank heavens, nature has already provided what we need). What I do fear though, is the misuse of agricultural chemicals(ferts),pesticides and herbicides to the point where soil has no life, ie sterilized. Nature is SLOW and patient, humans by fault, are not. I must not have to remind anyone, that way before humans came along to start messing with natures delicate balance, plants were doing quite well on their own. Its the bigger, stronger, faster attitude that is so detrimental to the balance of nature, and we humans are the ones who get the finger of guilt. Which is why I support anyone who gardens within the systems of nature, allowing it to take its course, with supportive help along the way.
rock on organically!