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| effective microorganism ： ウィキペディア英語版 |
effective microorganism
Effective Microorganisms® and EM ® are the trademarks of ''Em Research Organization, Inc.'' (EMRO), Uruma City, Okinawa, Japan. EMRO has commercial licensees and manufacturers worldwide.
An effective microorganism refers to any of the predominantly anaerobic organisms blended in commercial agricultural amendments or for environmental applications such as for septic tanks. EM products are purported to support sustainable practices in farming, improve composting operations, and to reduce environmental pollution.
Many of the so-called "pit additives" used for improving the performance of sanitation systems, namely pit latrines, septic tanks and wastewater treatment plants, are also based on Effective Microorganisms. Despite the claims made by manufacturers, available studies which have used scientific methods to investigate these additives have come to the conclusion that long-term beneficial effects are not proven.
== Possible constituents ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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