SDK to Provide Cultivation Technology to LED-Based Plant Growth

SDK to Provide Cultivation Technology to LED-Based Plant Growth Facility of
Kawauchi Village in Fukushima 
Tokyo, Nov 21, 2012 - (JCN Newswire) - Showa Denko K.K. (SDK) has decided to
provide Kawauchi Village, Fukushima Prefecture, with a new cultivation method
for LED-based plant growth facilities for free.  The village, headed by Mr.
Yuko Endo, is now building an LED-based plant growth facility. 
SDK has developed the new cultivation method jointly with Professor Masayoshi
Shigyo, Faculty of Agriculture, Yamaguchi University.  Compared with
conventional LED-based plant growth facilities, the new method shortens
shipment cycles and increases the amount of harvest through the irradiation of
red and blue lights at optimized ratios for plant growth, using LED chips
produced by SDK.  (For details of the new cultivation technology, please refer
to our news release of May 9, 2012.) 
Kawauchi Village has decided to adopt the new cultivation method (the Shigyo
method) and SDK's LED chips at its new plant growth facility, recognizing
the advantages of the method.  SDK has decided to license the technology for
free to assist the village's reconstruction efforts. 
The village, located at the center of Abukuma Highlands, is known for its rich
rice crop.  As the village is within the 30-km radius of the Fukushima Dai-ichi
Nuclear Power Station, however, part of the village was designated as a
"cautionary area" and the rest as an "evacuation-prepared area
in case of emergency" after the nuclear accident following the Great East
Japan Earthquake.  The "evacuation-prepared area" designation has
already been lifted, and some of the residents have started returning to the
village.  Nevertheless, it is not easy to restore the farmland, and employment
opportunities in the village are not yet sufficient. 
As part of its efforts to restore agriculture and ensure employment
opportunities, Kawauchi Village decided to build a hydroponic plant growth
facility that uses safe groundwater and artificial light.  The facility, to be
operated as a totally closed system, will ensure food safety, and employ 25
workers.  A ground-breaking ceremony was held on October 20, and the facility
will start producing leaf lettuce and herbs in April 2013. 
SDK will continue to contribute toward ensuring stable supply of safe food and
promoting agriculture through the provision of LED chips that emit light with
optimized wavelengths for plant growth, and the innovative Shigyo method
technology. 
About Showa Denko 
Showa Denko K.K. ('SDK'; TSE: 4004, US: SHWDF) is a major
manufacturer and marketer of chemical products serving a wide range of fields
ranging from heavy industry to the electronic and computer industries. SDK
makes petrochemicals (ethylene, propylene), aluminum products (ingots, rods),
electronic equipment (hard disks for computers) and inorganic materials
(ceramics, carbons). The company has overseas operations and a joint venture
with Netherlands-based Montell and Nippon Petrochemicals to make and market
polypropylenes. In March 2001, SDK merged with Showa Denko Aluminum Corporation
to strengthen the high-value-added fabricated aluminum products operations, and
is today developing next-generation optical communications-use wafers. For more
information, please visit www.sdk.co.jp . 
Contact: 
Showa Denko K.K. (SDK)
IR & PR Office
Tel: 81-3-5470-3235 
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