Farmers of Forty Centuries 

or Permanent Agriculture in China, Korea, And Japan

by R.H. King 

formerly Professor of Agriculture Physics in the University of Wisconsin 

and Chief of Division of Soil Management, U.S. Department of Agriculture

Published by Organic Gardening Press

in Emmaus, Pennsylvania

Red Hardcover printed in 1949 

Illustrated throughout

Edited by Professor J.P. Bruce

Printed in Great Britain

This book recounts his investigations into what would now be called organic farming or sustainable agriculture during a nine-month tour of Asia in 1909.

See photos for condition