EM-1 is Soil Conditioner Concentrate, a complex culture of aerobic and anaerobic microorganisms coexisting in a same environment (mainly, lactic acid bacteria, yeast, photosynthetic bacteria). These various microorganisms work together in the soil to exert a synergistic effect, which is useful for soil improvement. It can also be used for water purification, sanitary management in the livestock industry, and malodor control.