History Tankan is due at that time, Fujian to Taiwan to carry cargo, shipping goods which are there "commercial value" of things, can be used as traded goods, in order to not damage the goods, porcelain, placed between tea or silk, like Styrofoam now, to avoid collision damage, and even tied the rope, but also can sell, and will not waste space, wide use at the time bucket, the bucket can also be hawking oranges will be installed in the bucket , you can eat oranges, buckets common people, can be used as a bucket, bucket urinals and other consumer goods, technology was a good carpenter made a bucket, bucket painted red again, the New Year to give as gifts lovable gas, so it has been claimed , is the origin of the Tankan, if the additional information, you may want to refer to the local folklore expert.
The earliest Tankan from Hsinchu, Miaoli ashore, called Tankan walls, there are varieties can be subdivided into Tankan Tankan, sea pear tangerine, walls Tankan (Spring species of sub Tankan), and now we have to eat is a "big fruit Tankan", is more formal name, as well as cousins ~ Tankan sea pear tangerine, its precocious varieties without acid, but is easier to get rid of skin varieties.
Tankan was first cultivated by the "Citrus Park" forest areas, land called Citrus Park, all kinds of Tankan, because it is a sandbar, and Luzhou area, easily flooded, so the move to put the Tankan cultivation techniques now Yangmingshan, Yangmingshan because many farmers are still ancestral Luzhou, it has been claimed.
Japanese colonial period, most farmers here grow tea, later switching to Tankan, U.S. troops came later, Tankan mostly for export, made into canned orange peel is the only flesh stripped and placed in jars, the United States will now have to sell this stuff to see, then export the fruit cooperatives responsible for this part of the production and sales was great, until 1992 years, since citrus "greening disease", and no drug can be cured so Tankan large number of deaths tree, only to fall Tankan did, when I came to eighty-four agricultural work, over two hundred hectares in cultivation, within three years, died very much, only six or seven hectares. heyday, there were more than one thousand hectares, as long as the Yangmingshan area are Tankan. After over Huangsi Carrefour currently belong to Scholastic farmers will be responsible, they also larger than the Beitou area, tastes almost the same.
2014 Li-Nong Elementary School,Taipei,Taiwan,R.O.C.- Home of Wee Oranges