Bread From Stones author_Michael Phillips Logsdon is serious about his

Logsdon is serious about his call to manage manure to save mankind

and to experience the rewards of an organic lifestyle

Holzer reveals the thinking processes he uses

tables and a special summary by the late Vince Rossiter make Raw Materials Economics a history of the past and a blue print for the future

In this one

Bread From Stones author_Michael Phillips Logsdon is serious about hisThis book was the first work to attack Von Liebigs salt fertilizer thesis, and it stands as valid today as when first written over 100 years ago. Translated from the German writings of Julius Hensel, the book was designed to introduce the people of the U. S. to the idea that plants require healthy food in order to flourish, just as a human being does. It describes a then new and rational system for fertilization which has become science today