EM Products

EM activates local and native microorganisms that live in soil and water and maximizes their natural power. Healthy soil and clean water are maintained by the diversity and balance of the community of microorganisms within them. EM solves many problems in agriculture and the environment by restoring a healthy balance of microorganisms in ecosystems, thereby increasing their capacity for self-purification.

The beneficial effects of EM are realized when the groups of microorganisms, including lactic acid bacteria, yeast and phototrophic bacteria, activate native microorganisms in the environment and harness their intrinsic power.

Nowadays, in more than 100 countries around the world, EM is used in numerous fields including agriculture, animal husbandry, environmental purification and health care.

In polluted rivers, species that cannot survive in a degraded environment die out and the ecosystem becomes degraded. Conversely, if the diversity of microorganisms is rich, nature’ s self-purifying ability is enhanced and clean water will return. The reason that EM can solve the problems it does is that EM restores a healthy balance of microorganisms in the ecosystem, thereby increasing its ability to purify itself.


EM・1 is the fundamental product of the EM brand. It comes in liquid form and contains different groups of microorganisms, including lactic acid bacteria, yeast and phototrophic bacteria. Because of the co-existence of these microorganisms, EM・1 and the metabolites it contains are able to activate native microorganisms in various environments and conditions and in many different fields such as agriculture, animal husbandry, environmental purification and health care.

EM・1 is the original, authentic, Effective Microorganisms solution formulated by Dr. Higa. It was developed in the 1980s, long before microbiome science had caught the world’s attention, and its effectiveness has been repeatedly demonstrated across the globe ever since. Currently, EM・1 is manufactured in more than 50 countries under the direct supervision of EMRO.

The microorganisms in EM・1 are stable in order to ensure quality control and enable long term storage. However, feeding them activates them and causes them to multiply, making “EM・1 extended” or “Activated EM・1”.

1. Activated EM・1

EM・1 can be extended, once only, in order to maintain the balance of microbes, and the extended solution is called “Activated EM・1”. With molasses as feed, the microorganisms in EM・1 work actively and their number increases. It can be expanded by approximately 20 times relative to volume, and be used generously for many different purposes.
However, the recipes may vary in each region depending on available materials and the conditions under which fermentation must take place, such as climate. For further information, contact your local distributor.

2. EM Bokashi

Fermenting rice bran or wheat bran with EM・1 will make EM Bokashi.
It functions as a fertilizer, feed, and fermentation base material, benefiting agriculture, animal husbandry, fish farming etc. in various ways.

3. EM Compost

Fermenting organic matter with Activated EM・1 makes EM Compost.
With Activated EM・1 or EM Bokashi, almost any kind of organic matter can be composted. It works as a soil improver and a fertilizer in agriculture. EM Compost improves the physical, chemical, and biological characteristics of the soil.

4. EM Mudballs

Inoculating dried soil and EM Bokashi with Activated EM・1 will make EM Mudballs.
Because of their density, they will sink to the bottom of rivers and oceans, decomposing the sludge gradually. Therefore, it is often used to purify water systems.

Secondary Products

In recent years, many researchers have been focusing less on the activity of single-strains of microorganisms and more on aggregates of microorganisms, called microbiomes. In agriculture, it has become apparent that when soil microbiomes are healthy, they will enrich the soil. Healthy aquatic microbiomes will help maintain the environmental purification capabilities of rivers and other bodies of water.

Numerous secondary EM products have been developed in many countries and in many fields, in accordance with demand. Each product is for a different purpose, some for large-scale agriculture and others for home gardening. EM can be applied in many ways and can be incorporated into many types of products to suit your needs.