Tompkins, author of Secrets of the Soil, provides unusual but proven methods for producing healthy soil which can support robust food without the chemicals commonly used today in agribusiness.|NEW PATHS TO HEALTHY SOIL / Peter Tompkins| interviewed by Barbara Dunlap. - SERIES: New signals| 7/18/89 - Tompkins, author of "Secrets of the Soil," provides unusual but proven methods for producing healthy soil which can support robust food without the chemicals commonly used today in agribusiness. - BROADCAST: KPFK, 18 July 1989.
