SDK Group's Leading Edge Plant Factory Unit "SHIGYO(R) Unit" Adopted in a Large
Plant Factory in Yamagata
Tokyo, June 16, 2014 - (JCN Newswire) - Showa Denko (SDK) (TOKYO: 4004)
announces that its LED-based plant factory unit named "SHIGYO(R)
Unit" has been adopted in a large-scale plant factory in Tendo City,
Yamagata Prefecture. The plant factory is operated by ENDO CORPORATION which is
led by President Yasuhiko Endo and headquartered in Yamagata City, Yamagata
SHIGYO Unit, which is adopted this time, is an all-in-one indoor plant factory
system which provides optimum environment for plant growth, packaging all
necessary technology and equipment for plant cultivation including our original
high-speed plant growth technology "SHIGYO(R) Method", our
proprietary LED lighting equipment designed to emit optimum light for SHIGYO
Method, and aluminum racks for plant cultivation. SHIGYO Unit also includes
after-sale technical support such as plant cultivation manuals, and is an ideal
system for users to start plant factory as a new business.
ENDO CORPORATION had been investigating feasibility of its entry into the
plant factory business since 2012, and conducted a field test of plant
cultivation with SHIGYO Method in 2013. As the results of the test, the company
successfully harvested a variety of quality vegetables, and confirmed
profitability of the plant factory with SHIGYO Method. Consequently, the
company decided to construct a plant factory which has the area of about 2,000
m2 for plant cultivation, and a daily harvest of about 4,000 plants. The new
factory will be completed in September 2014, and start operation in the
Aiming to promote plant factories which realize stable supply of safe food,
SDK provides business enterprises considering new entry into plant factory
business with various support programs. Moreover, to respond to needs for
demonstration experiment of plant factory, SDK markets small scale SHIGYO Unit
and "SHIGYO(R) Container" which is a containerized plant factory
system for outdoor installation. SDK will demonstrate small scale SHIGYO Unit
and SHIGYO Container for demonstration experiment at "the Agricultural
Business Solution Exhibition in Smart Community Japan 2014," which is to
be held at Tokyo Big Sight from June 18 to June 20.
General outline of SHIGYO Unit:
1) SHIGYO Method: a high-speed plant growth technology
SHIGYO Method, which is a plant growth technology developed jointly by SDK and
Yamaguchi University, accelerates the growth of plant at LED-based facilities
by irradiating light with optimum wavelengths and intensity in consideration of
the kind of plant and growing stages.
2) LED lighting equipment for plant growth
This LED lighting equipment contains SDK's proprietary LED chips that
emit deep-red light with the wavelengths of 660 nm (optimum light for
plant's photosynthesis) at the world's highest level of efficiency*
and LED chips that emit blue light. The equipment generates less heat than a
fluorescent light with equivalent brightness, saves electricity consumption for
lighting and air-conditioning. It can easily change the intensity of deep-red
and blue light in accordance with the lighting program of SHIGYO Method.
3) Aluminum racks for plant cultivation
The racks are specialized for plant cultivation in plant factories, composed
of light-weight anodized aluminum frames which are rust-resistant. They feature
attachments with built-in reflectors that realize optimum layout of LED
lighting equipment to generate uniform irradiation. They are equipped with
cassette type LED lights and water tanks (pools) for hydroponics, and both of
them are removable for easy maintenance.
4) Heat-insulating panels
These panels have heat-insulating properties necessary for completely closed
plant factory, and airtightness to prevent intrusion of bacteria, fungi and
insect pests. SHIGYO Unit features covering of ceilings and walls of plant
factories with these heat-insulating panels, and realizes optimum
heat-insulation and airtightness.
5) Culture fluid circulator (option)
This is a circulator that automatically delivers culture fluid (liquid
fertilizer) to plants.
6) Air conditioners (option)
Air conditioners maintain optimum temperature, humidity and CO2 density.
7) Air shower (option)
This is a dust remover to prevent carrying in of sand and dust.
*As of June 13, 2014
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 .
Showa Denko K.K. (SDK)
Public Relations Office
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