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Mitsubishi Chemical Nihonbashi Building, 2-2, Nihonbashihongoku-cho 1-chome, Chuo-ku, Tokyo TEL +81-3-3279-3704　FAX +81-3‐3279‐6599 Osaka branch 9F Imonkawaramachi Bldg., 4-5-9, Kawaramachi, Chuo-ku, Osaka TEL +81-6-6204-8531　FAX +81-6-6204-8535

It is considered to be a cultivation system allowing management that focuses on “constant time,” “constant quantity,” “constant quality,” and “constant price,” known as the “four constant conditions,” by controlling light, temperature, and culture medium, which are important for crop growth, in an organized manner, and accumulating such data to achieve stable production over a long period of time through suitable environmental control. In other words, the cultivation system allows for planned and stable production regardless of season or weather conditions.

It is a method of cultivating crops with mainly nutrient solution that is suitable for crops growth without using soil or medium. Unlike soil cultivation method, it enables accelerated growth without consecutive crop damage and is a highly reproducible. Farmwork such as planting and harvesting are also clean and easy. On the other hand, it has a weakness buffering effect against physiological stress of crops and soil diseases (water-borne diseases), so it is necessary to pay close attention to the cultivation.