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Private company

Seikaken

Seikaken is a Japanese company based in Kumamoto Prefecture, founded in 1967.1

株式会社生科研（せいかけん、Seikaken Co.,Ltd.）は、熊本県阿蘇郡西原村に本社を置く土壌用肥料の製造・販売、土壌分析や土壌改良剤・ミネラル剤・作物栄養剤の研究開発、製造、販売を行う企業。創始者の中島常充が提唱した「中嶋農法」の土壌分析や認証などで知られる。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1967Founded1

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Timeline

  1. 1967Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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