If you're passionate about soil health, reducing food waste, and regenerative agriculture, you've probably heard about traditional composting methods. But have you come across bokashi composting? This Japanese composting method uses fermentation rather than decomposition, offering a fast, odor-free, and nutrient-rich way to manage kitchen waste. In this article, we’ll explore what bokashi is, its history, how it differs from regular composting, whether it's better than traditional composting, what not to put in a bokashi bin, and how to use the contents to enrich your soil.

What is Bokashi?

Bokashi is a Japanese word meaning “fermented organic matter.”

The bokashi method involves placing kitchen scraps in a sealed container and layering them with a special bokashi bran. This bran is inoculated with beneficial microbes, typically lactic acid bacteria, yeasts, and phototrophic bacteria. Rather than breaking down the waste through decomposition (as in regular composting), these microbes ferment the food scraps.

The fermentation process transforms waste into a pre-compost state in just 2–4 weeks, producing a liquid by-product known as bokashi tea. This liquid is packed with nutrients and can be diluted and used as a organic fertiliser or poured down drains to help keep them clean.

History of Bokashi

Bokashi composting has its roots in ancient agricultural practices in Japan but was scientifically refined in the 1980s by Dr. Teruo Higa, a Japanese professor of horticulture at the University of the Ryukyus, Okinawa, Japan. He developed what is now known as EM (Effective Microorganisms), a specific combination of microbes used in bokashi bran. This innovation made the process more reliable and efficient, leading to its adoption worldwide by gardeners, farmers, and eco-conscious households.

Bokashi

Bokashi composting is a powerful, fast, and space-efficient way to turn kitchen scraps — even those you wouldn’t normally compost — into valuable soil amendments. By combining ancient wisdom with modern science, this Japanese method offers an environmentally friendly solution that complements traditional composting. Whether you’re a small-space gardener, a regenerative farmer, or someone looking to reduce kitchen waste, bokashi could be the perfect addition to your composting toolkit.

Research and Information Bokashi 

Producing organic amendments: Physicochemical changes in biowaste used in anaerobic digestion, composting, and fermentation

Making our own (bokashi) compost activator - 

The Use of Bokashi Compost as a Soil Fertility Amendment in Increasing Vegetative Growth of Organic Tomato

Optimization of Bokashi-Composting Process Using Effective Microorganisms-1 in Smart Composting Bin

Bokashi as an Amendment and Source of Nitrogen in Sustainable Agricultural Systems

Bokashi technology as a promising technology for crop production in Europe: The Journal of Horticultural Science and Biotechnology 

Role of Organic Manure Bokashi Improving Plant Growth and Nutrition: Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia

The production of leaf bokashi in pilot scale to support zero waste initiative of Universitas Syiah Kuala (USK), Indonesia

The Significance of Bokashi Compost Obtained from Beneficial Microorganisms on Sustainability and Waste Disposal: Selcuk Journal of Agriculture and Food Sciences

Effects of Conventional and Bokashi Hydroponics on Vegetative Growth, Yield and Quality Attributes of Bell Peppers: