New paths to healthy soil / Peter Tompkins ; interviewed by Barbara Dunlap.
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.