The International Society ofSoil Science was organized in 1924 and the 1st International Congress ofthe Society was held in Washington, D. C., United States ofAmerica, in 1927. The 14th Congress was held August 12-18, 1990 in Kyoto, Japan. Dr. Akira Tanaka, Society President, stated "It is a serious concernofpeopleintheworldtosustainhighfarming productivityfor feeding the ever growing population, and also to protect the environment for human habitation. For this purpose, it is necessary to maximize crop yield per unit field areathroughintensivemanagementofthesoilandcropsonlands which are best...