The SEER (Sustainable Ecological Earth Regeneration) Centre in Scotland, which undertook the first scientifically controlled field trials of soil remineralization, warned that unless vital nutrients and elements are placed back into the soil, Mother Earth is heading for an early and awful menopause. In fact, in the article, they actually refer to the soil being rendered "infertile" after chemical pesticides kill off vital algae, bacteria, fungi, etc. In fact, unusual weather (Mother Earth's having hot flashes!) is considered symptomatic of this global lurch toward infertility.
Check it out: http://www.nutraingredients.com/news/printNewsBis.asp?id=65812