 As a result, yuzu, mikan and other citrus fruits are plentiful on Shikoku and have become synonymous with the regions they are grown in.Pioneering natural farmer Masanobu Fukuoka, author of "The One-Straw Revolution", developed his methods here on his family's farm.Historically no Shikoku-based sports team has competed in the top Japanese division of baseball, football (soccer) or even rugby union.