![]() ![]() Biodynamic growers use an array of preparations (often referred to as “preps”), each of which involves fermenting an alchemical mixture of ingredients. One final method of using fermentation as part of a strategy to build soil fertility is the biodynamic method. Much more detail on the specifics of the process is available on the Internet. The box is loosely covered by a paper towel, then with wire mesh to protect against rodents, then a layer of plastic to keep water out, and finally leaves.3 In either case, the resulting grain with mold growing on it is then used as a starter for other preparations, including bokashi fermentation of food wastes. One involves mixing soil from one or more locations with rice bran and a little water to form a ball, then suspending the ball to spontaneously ferment.2 The other involves actually burying a wooden box, with a layer of cooked rice spread in it, in the forest for four days to a week. ![]() Rice or rice bran is used as a medium on which to grow existing soil organisms. “Indigenous microorganisms are beneficial members of the soil biota (including filamentous fungi, yeasts and bacteria) collected from non- cultivated soil near the area where they will be applied,” explains a Bokashi Nature Farming Manual from the Philippines. But bokashi can also be practiced as a wild fermentation Bruno Vernier wrote to me that it “can be as simple and cheap as combining whey, molasses, water and shredded paper.” Another intriguing bokashi practice I’ve heard about is known as “indigenous microorganisms” (IMO). I am sure it is very effective for all the varied things I’ve heard about people doing with it, including not only fermenting food waste but also fermenting food, probiotic supplementation, household and industrial cleaning, inoculating septic tanks and other sewage treatment, and many other applications. Like any other, and over time been consciously perpetuated by backslopping, adding a remnant of the previous generation into each new batch. ![]()
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