Farmers of Forty Centuries and complex numbers

and complex numbers

much of Japanese life that had been sealed off from the rest of the world for centuries was now revealed to the public at large — including the artistic styles and subjects depicted in this excellent collection

Opus 46 (1878)

books on chinese literatures

tiny changes

Farmers of Forty Centuries and complex numbersFor more than 40,000 years, Asian farmers worked the same fields repeatedly without sapping the land's fertility and without applying artificial fertilizer! How they accomplished this miraculous feat is described by author Franklin Hiram King, a former official of the U. S. Department of Agriculture. King traveled to Asia in the early 1900s to learn how farmers in China, Korea, and Japan were able to achieve successful harvests century after century